Home / 42,007.20-63,010.80-29,541.30

Finding the Fourth Proportional to 42,007.20, 63,010.80 and 29,541.30

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Solution

The fourth proportional to 42,007.20, 63,010.80 and 29,541.30 is: 44,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.20 : 63,010.80 = 29,541.30 : x
  2. Step 2: Convert to fraction form
    42,007.20/63,010.80 = 29,541.30/x
  3. Step 3: Cross multiply
    42,007.20x = 63,010.80 × 29,541.30
  4. Step 4: Simplify right side
    42,007.20x = 1,861,420,946.04
  5. Step 5: Solve for x
    x = 1,861,420,946.04/42,007.20
  6. Step 6: Final answer
    x = 44,311.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.