Home / 42,672.26-63,980.91-17,729.52

Finding the Fourth Proportional to 42,672.26, 63,980.91 and 17,729.52

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Solution

The fourth proportional to 42,672.26, 63,980.91 and 17,729.52 is: 26,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,672.26 : 63,980.91 = 17,729.52 : x
  2. Step 2: Convert to fraction form
    42,672.26/63,980.91 = 17,729.52/x
  3. Step 3: Cross multiply
    42,672.26x = 63,980.91 × 17,729.52
  4. Step 4: Simplify right side
    42,672.26x = 1,134,350,823.46
  5. Step 5: Solve for x
    x = 1,134,350,823.46/42,672.26
  6. Step 6: Final answer
    x = 26,582.86

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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.