Home / 38,317.20-57,472.38-13,353

Finding the Fourth Proportional to 38,317.20, 57,472.38 and 13,353

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Solution

The fourth proportional to 38,317.20, 57,472.38 and 13,353 is: 20,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.20 : 57,472.38 = 13,353 : x
  2. Step 2: Convert to fraction form
    38,317.20/57,472.38 = 13,353/x
  3. Step 3: Cross multiply
    38,317.20x = 57,472.38 × 13,353
  4. Step 4: Simplify right side
    38,317.20x = 767,428,690.14
  5. Step 5: Solve for x
    x = 767,428,690.14/38,317.20
  6. Step 6: Final answer
    x = 20,028.31

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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.