Home / 42,500.16-63,679.29-29,999.70

Finding the Fourth Proportional to 42,500.16, 63,679.29 and 29,999.70

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Solution

The fourth proportional to 42,500.16, 63,679.29 and 29,999.70 is: 44,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,500.16 : 63,679.29 = 29,999.70 : x
  2. Step 2: Convert to fraction form
    42,500.16/63,679.29 = 29,999.70/x
  3. Step 3: Cross multiply
    42,500.16x = 63,679.29 × 29,999.70
  4. Step 4: Simplify right side
    42,500.16x = 1,910,359,596.21
  5. Step 5: Solve for x
    x = 1,910,359,596.21/42,500.16
  6. Step 6: Final answer
    x = 44,949.47

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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.