Home / 42,146.82-63,229.65-15,851.79

Finding the Fourth Proportional to 42,146.82, 63,229.65 and 15,851.79

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Solution

The fourth proportional to 42,146.82, 63,229.65 and 15,851.79 is: 23,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.82 : 63,229.65 = 15,851.79 : x
  2. Step 2: Convert to fraction form
    42,146.82/63,229.65 = 15,851.79/x
  3. Step 3: Cross multiply
    42,146.82x = 63,229.65 × 15,851.79
  4. Step 4: Simplify right side
    42,146.82x = 1,002,303,291.65
  5. Step 5: Solve for x
    x = 1,002,303,291.65/42,146.82
  6. Step 6: Final answer
    x = 23,781.23

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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.