Home / 40,175.28-60,265.98-13,521.38

Finding the Fourth Proportional to 40,175.28, 60,265.98 and 13,521.38

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Solution

The fourth proportional to 40,175.28, 60,265.98 and 13,521.38 is: 20,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.28 : 60,265.98 = 13,521.38 : x
  2. Step 2: Convert to fraction form
    40,175.28/60,265.98 = 13,521.38/x
  3. Step 3: Cross multiply
    40,175.28x = 60,265.98 × 13,521.38
  4. Step 4: Simplify right side
    40,175.28x = 814,879,216.65
  5. Step 5: Solve for x
    x = 814,879,216.65/40,175.28
  6. Step 6: Final answer
    x = 20,283.10

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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.