Home / 42,939.92-59,194.80-30,154.17

Finding the Fourth Proportional to 42,939.92, 59,194.80 and 30,154.17

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Solution

The fourth proportional to 42,939.92, 59,194.80 and 30,154.17 is: 41,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,939.92 : 59,194.80 = 30,154.17 : x
  2. Step 2: Convert to fraction form
    42,939.92/59,194.80 = 30,154.17/x
  3. Step 3: Cross multiply
    42,939.92x = 59,194.80 × 30,154.17
  4. Step 4: Simplify right side
    42,939.92x = 1,784,970,284.30
  5. Step 5: Solve for x
    x = 1,784,970,284.30/42,939.92
  6. Step 6: Final answer
    x = 41,569.02

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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.