Home / 42,145.26-63,227.13-15,849.99

Finding the Fourth Proportional to 42,145.26, 63,227.13 and 15,849.99

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Solution

The fourth proportional to 42,145.26, 63,227.13 and 15,849.99 is: 23,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.26 : 63,227.13 = 15,849.99 : x
  2. Step 2: Convert to fraction form
    42,145.26/63,227.13 = 15,849.99/x
  3. Step 3: Cross multiply
    42,145.26x = 63,227.13 × 15,849.99
  4. Step 4: Simplify right side
    42,145.26x = 1,002,149,378.23
  5. Step 5: Solve for x
    x = 1,002,149,378.23/42,145.26
  6. Step 6: Final answer
    x = 23,778.46

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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.