Home / 47,127.15-65,086.20-29,264.58

Finding the Fourth Proportional to 47,127.15, 65,086.20 and 29,264.58

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Solution

The fourth proportional to 47,127.15, 65,086.20 and 29,264.58 is: 40,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,127.15 : 65,086.20 = 29,264.58 : x
  2. Step 2: Convert to fraction form
    47,127.15/65,086.20 = 29,264.58/x
  3. Step 3: Cross multiply
    47,127.15x = 65,086.20 × 29,264.58
  4. Step 4: Simplify right side
    47,127.15x = 1,904,720,306.80
  5. Step 5: Solve for x
    x = 1,904,720,306.80/47,127.15
  6. Step 6: Final answer
    x = 40,416.62

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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.