Home / 40,362.71-60,553.28-12,286.75

Finding the Fourth Proportional to 40,362.71, 60,553.28 and 12,286.75

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Solution

The fourth proportional to 40,362.71, 60,553.28 and 12,286.75 is: 18,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.71 : 60,553.28 = 12,286.75 : x
  2. Step 2: Convert to fraction form
    40,362.71/60,553.28 = 12,286.75/x
  3. Step 3: Cross multiply
    40,362.71x = 60,553.28 × 12,286.75
  4. Step 4: Simplify right side
    40,362.71x = 744,003,013.04
  5. Step 5: Solve for x
    x = 744,003,013.04/40,362.71
  6. Step 6: Final answer
    x = 18,432.93

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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.