Home / 47,542.10-71,335-17,970.20

Finding the Fourth Proportional to 47,542.10, 71,335 and 17,970.20

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Solution

The fourth proportional to 47,542.10, 71,335 and 17,970.20 is: 26,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,542.10 : 71,335 = 17,970.20 : x
  2. Step 2: Convert to fraction form
    47,542.10/71,335 = 17,970.20/x
  3. Step 3: Cross multiply
    47,542.10x = 71,335 × 17,970.20
  4. Step 4: Simplify right side
    47,542.10x = 1,281,904,217
  5. Step 5: Solve for x
    x = 1,281,904,217/47,542.10
  6. Step 6: Final answer
    x = 26,963.56

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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.