Home / 42,121.14-58,130.24-24,221.76

Finding the Fourth Proportional to 42,121.14, 58,130.24 and 24,221.76

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Solution

The fourth proportional to 42,121.14, 58,130.24 and 24,221.76 is: 33,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.14 : 58,130.24 = 24,221.76 : x
  2. Step 2: Convert to fraction form
    42,121.14/58,130.24 = 24,221.76/x
  3. Step 3: Cross multiply
    42,121.14x = 58,130.24 × 24,221.76
  4. Step 4: Simplify right side
    42,121.14x = 1,408,016,600.91
  5. Step 5: Solve for x
    x = 1,408,016,600.91/42,121.14
  6. Step 6: Final answer
    x = 33,427.79

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Half scale
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Double scale
Find fourth proportional to 42,122.14, 58,131.62 and 24,222.76
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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.