Home / 40,491.13-60,736.68-20,757.10

Finding the Fourth Proportional to 40,491.13, 60,736.68 and 20,757.10

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Solution

The fourth proportional to 40,491.13, 60,736.68 and 20,757.10 is: 31,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491.13 : 60,736.68 = 20,757.10 : x
  2. Step 2: Convert to fraction form
    40,491.13/60,736.68 = 20,757.10/x
  3. Step 3: Cross multiply
    40,491.13x = 60,736.68 × 20,757.10
  4. Step 4: Simplify right side
    40,491.13x = 1,260,717,340.43
  5. Step 5: Solve for x
    x = 1,260,717,340.43/40,491.13
  6. Step 6: Final answer
    x = 31,135.64

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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.