Home / 42,138.12-58,152.30-24,233.12

Finding the Fourth Proportional to 42,138.12, 58,152.30 and 24,233.12

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Solution

The fourth proportional to 42,138.12, 58,152.30 and 24,233.12 is: 33,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.12 : 58,152.30 = 24,233.12 : x
  2. Step 2: Convert to fraction form
    42,138.12/58,152.30 = 24,233.12/x
  3. Step 3: Cross multiply
    42,138.12x = 58,152.30 × 24,233.12
  4. Step 4: Simplify right side
    42,138.12x = 1,409,212,032.19
  5. Step 5: Solve for x
    x = 1,409,212,032.19/42,138.12
  6. Step 6: Final answer
    x = 33,442.69

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Half scale
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Double scale
Find fourth proportional to 42,139.12, 58,153.68 and 24,234.12
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.