Home / 40,499.53-60,758.17-12,421.69

Finding the Fourth Proportional to 40,499.53, 60,758.17 and 12,421.69

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Solution

The fourth proportional to 40,499.53, 60,758.17 and 12,421.69 is: 18,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499.53 : 60,758.17 = 12,421.69 : x
  2. Step 2: Convert to fraction form
    40,499.53/60,758.17 = 12,421.69/x
  3. Step 3: Cross multiply
    40,499.53x = 60,758.17 × 12,421.69
  4. Step 4: Simplify right side
    40,499.53x = 754,718,969.76
  5. Step 5: Solve for x
    x = 754,718,969.76/40,499.53
  6. Step 6: Final answer
    x = 18,635.25

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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.