Home / 32,440.38-48,679.79-13,719.39

Finding the Fourth Proportional to 32,440.38, 48,679.79 and 13,719.39

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Solution

The fourth proportional to 32,440.38, 48,679.79 and 13,719.39 is: 20,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,440.38 : 48,679.79 = 13,719.39 : x
  2. Step 2: Convert to fraction form
    32,440.38/48,679.79 = 13,719.39/x
  3. Step 3: Cross multiply
    32,440.38x = 48,679.79 × 13,719.39
  4. Step 4: Simplify right side
    32,440.38x = 667,856,955.53
  5. Step 5: Solve for x
    x = 667,856,955.53/32,440.38
  6. Step 6: Final answer
    x = 20,587.21

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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.