Home / 42,604.75-63,884.53-12,614.87

Finding the Fourth Proportional to 42,604.75, 63,884.53 and 12,614.87

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Solution

The fourth proportional to 42,604.75, 63,884.53 and 12,614.87 is: 18,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,604.75 : 63,884.53 = 12,614.87 : x
  2. Step 2: Convert to fraction form
    42,604.75/63,884.53 = 12,614.87/x
  3. Step 3: Cross multiply
    42,604.75x = 63,884.53 × 12,614.87
  4. Step 4: Simplify right side
    42,604.75x = 805,895,216.44
  5. Step 5: Solve for x
    x = 805,895,216.44/42,604.75
  6. Step 6: Final answer
    x = 18,915.62

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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.