Home / 42,151.24-63,178.22-15,839.16

Finding the Fourth Proportional to 42,151.24, 63,178.22 and 15,839.16

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Solution

The fourth proportional to 42,151.24, 63,178.22 and 15,839.16 is: 23,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.24 : 63,178.22 = 15,839.16 : x
  2. Step 2: Convert to fraction form
    42,151.24/63,178.22 = 15,839.16/x
  3. Step 3: Cross multiply
    42,151.24x = 63,178.22 × 15,839.16
  4. Step 4: Simplify right side
    42,151.24x = 1,000,689,935.10
  5. Step 5: Solve for x
    x = 1,000,689,935.10/42,151.24
  6. Step 6: Final answer
    x = 23,740.46

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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.