Home / 40,371.25-60,565.62-12,290.57

Finding the Fourth Proportional to 40,371.25, 60,565.62 and 12,290.57

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Solution

The fourth proportional to 40,371.25, 60,565.62 and 12,290.57 is: 18,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.25 : 60,565.62 = 12,290.57 : x
  2. Step 2: Convert to fraction form
    40,371.25/60,565.62 = 12,290.57/x
  3. Step 3: Cross multiply
    40,371.25x = 60,565.62 × 12,290.57
  4. Step 4: Simplify right side
    40,371.25x = 744,385,689.38
  5. Step 5: Solve for x
    x = 744,385,689.38/40,371.25
  6. Step 6: Final answer
    x = 18,438.51

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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.