Home / 42,691.62-64,037.43-14,612.04

Finding the Fourth Proportional to 42,691.62, 64,037.43 and 14,612.04

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Solution

The fourth proportional to 42,691.62, 64,037.43 and 14,612.04 is: 21,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,691.62 : 64,037.43 = 14,612.04 : x
  2. Step 2: Convert to fraction form
    42,691.62/64,037.43 = 14,612.04/x
  3. Step 3: Cross multiply
    42,691.62x = 64,037.43 × 14,612.04
  4. Step 4: Simplify right side
    42,691.62x = 935,717,488.66
  5. Step 5: Solve for x
    x = 935,717,488.66/42,691.62
  6. Step 6: Final answer
    x = 21,918.06

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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.