Home / 38,221.56-57,306.18-19,465.30

Finding the Fourth Proportional to 38,221.56, 57,306.18 and 19,465.30

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Solution

The fourth proportional to 38,221.56, 57,306.18 and 19,465.30 is: 29,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.56 : 57,306.18 = 19,465.30 : x
  2. Step 2: Convert to fraction form
    38,221.56/57,306.18 = 19,465.30/x
  3. Step 3: Cross multiply
    38,221.56x = 57,306.18 × 19,465.30
  4. Step 4: Simplify right side
    38,221.56x = 1,115,481,985.55
  5. Step 5: Solve for x
    x = 1,115,481,985.55/38,221.56
  6. Step 6: Final answer
    x = 29,184.63

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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.