Home / 42,244.20-63,315.10-18,845.80

Finding the Fourth Proportional to 42,244.20, 63,315.10 and 18,845.80

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Solution

The fourth proportional to 42,244.20, 63,315.10 and 18,845.80 is: 28,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,244.20 : 63,315.10 = 18,845.80 : x
  2. Step 2: Convert to fraction form
    42,244.20/63,315.10 = 18,845.80/x
  3. Step 3: Cross multiply
    42,244.20x = 63,315.10 × 18,845.80
  4. Step 4: Simplify right side
    42,244.20x = 1,193,223,711.58
  5. Step 5: Solve for x
    x = 1,193,223,711.58/42,244.20
  6. Step 6: Final answer
    x = 28,245.86

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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.