Home / 42,666.57-63,963.70-17,691.03

Finding the Fourth Proportional to 42,666.57, 63,963.70 and 17,691.03

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Solution

The fourth proportional to 42,666.57, 63,963.70 and 17,691.03 is: 26,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.57 : 63,963.70 = 17,691.03 : x
  2. Step 2: Convert to fraction form
    42,666.57/63,963.70 = 17,691.03/x
  3. Step 3: Cross multiply
    42,666.57x = 63,963.70 × 17,691.03
  4. Step 4: Simplify right side
    42,666.57x = 1,131,583,575.70
  5. Step 5: Solve for x
    x = 1,131,583,575.70/42,666.57
  6. Step 6: Final answer
    x = 26,521.55

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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.