Home / 40,262.20-60,396.47-10,680.04

Finding the Fourth Proportional to 40,262.20, 60,396.47 and 10,680.04

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Solution

The fourth proportional to 40,262.20, 60,396.47 and 10,680.04 is: 16,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.20 : 60,396.47 = 10,680.04 : x
  2. Step 2: Convert to fraction form
    40,262.20/60,396.47 = 10,680.04/x
  3. Step 3: Cross multiply
    40,262.20x = 60,396.47 × 10,680.04
  4. Step 4: Simplify right side
    40,262.20x = 645,036,715.46
  5. Step 5: Solve for x
    x = 645,036,715.46/40,262.20
  6. Step 6: Final answer
    x = 16,020.90

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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.