Home / 42,130.14-58,142.66-24,230.76

Finding the Fourth Proportional to 42,130.14, 58,142.66 and 24,230.76

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Solution

The fourth proportional to 42,130.14, 58,142.66 and 24,230.76 is: 33,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.14 : 58,142.66 = 24,230.76 : x
  2. Step 2: Convert to fraction form
    42,130.14/58,142.66 = 24,230.76/x
  3. Step 3: Cross multiply
    42,130.14x = 58,142.66 × 24,230.76
  4. Step 4: Simplify right side
    42,130.14x = 1,408,840,719.07
  5. Step 5: Solve for x
    x = 1,408,840,719.07/42,130.14
  6. Step 6: Final answer
    x = 33,440.21

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Find fourth proportional to 21,065.07, 29,071.33 and 12,115.38
Half scale
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Double scale
Find fourth proportional to 42,131.14, 58,144.04 and 24,231.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.