Home / 42,125.30-63,170.38-17,148.39

Finding the Fourth Proportional to 42,125.30, 63,170.38 and 17,148.39

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Solution

The fourth proportional to 42,125.30, 63,170.38 and 17,148.39 is: 25,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.30 : 63,170.38 = 17,148.39 : x
  2. Step 2: Convert to fraction form
    42,125.30/63,170.38 = 17,148.39/x
  3. Step 3: Cross multiply
    42,125.30x = 63,170.38 × 17,148.39
  4. Step 4: Simplify right side
    42,125.30x = 1,083,270,312.69
  5. Step 5: Solve for x
    x = 1,083,270,312.69/42,125.30
  6. Step 6: Final answer
    x = 25,715.43

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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.