Home / 42,141.40-63,175.38-15,839.08

Finding the Fourth Proportional to 42,141.40, 63,175.38 and 15,839.08

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Solution

The fourth proportional to 42,141.40, 63,175.38 and 15,839.08 is: 23,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.40 : 63,175.38 = 15,839.08 : x
  2. Step 2: Convert to fraction form
    42,141.40/63,175.38 = 15,839.08/x
  3. Step 3: Cross multiply
    42,141.40x = 63,175.38 × 15,839.08
  4. Step 4: Simplify right side
    42,141.40x = 1,000,639,897.85
  5. Step 5: Solve for x
    x = 1,000,639,897.85/42,141.40
  6. Step 6: Final answer
    x = 23,744.82

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1.5x scale

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.