Home / 42,186.32-63,286.76-17,239.92

Finding the Fourth Proportional to 42,186.32, 63,286.76 and 17,239.92

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Solution

The fourth proportional to 42,186.32, 63,286.76 and 17,239.92 is: 25,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,186.32 : 63,286.76 = 17,239.92 : x
  2. Step 2: Convert to fraction form
    42,186.32/63,286.76 = 17,239.92/x
  3. Step 3: Cross multiply
    42,186.32x = 63,286.76 × 17,239.92
  4. Step 4: Simplify right side
    42,186.32x = 1,091,058,679.46
  5. Step 5: Solve for x
    x = 1,091,058,679.46/42,186.32
  6. Step 6: Final answer
    x = 25,862.86

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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.