Home / 40,488.13-60,732.18-20,754.10

Finding the Fourth Proportional to 40,488.13, 60,732.18 and 20,754.10

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Solution

The fourth proportional to 40,488.13, 60,732.18 and 20,754.10 is: 31,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.13 : 60,732.18 = 20,754.10 : x
  2. Step 2: Convert to fraction form
    40,488.13/60,732.18 = 20,754.10/x
  3. Step 3: Cross multiply
    40,488.13x = 60,732.18 × 20,754.10
  4. Step 4: Simplify right side
    40,488.13x = 1,260,441,736.94
  5. Step 5: Solve for x
    x = 1,260,441,736.94/40,488.13
  6. Step 6: Final answer
    x = 31,131.14

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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.