Home / 40,517.40-60,747.30-15,547.80

Finding the Fourth Proportional to 40,517.40, 60,747.30 and 15,547.80

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Solution

The fourth proportional to 40,517.40, 60,747.30 and 15,547.80 is: 23,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.40 : 60,747.30 = 15,547.80 : x
  2. Step 2: Convert to fraction form
    40,517.40/60,747.30 = 15,547.80/x
  3. Step 3: Cross multiply
    40,517.40x = 60,747.30 × 15,547.80
  4. Step 4: Simplify right side
    40,517.40x = 944,486,870.94
  5. Step 5: Solve for x
    x = 944,486,870.94/40,517.40
  6. Step 6: Final answer
    x = 23,310.65

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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.