Home / 42,508.20-63,762.30-39,883.80

Finding the Fourth Proportional to 42,508.20, 63,762.30 and 39,883.80

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Solution

The fourth proportional to 42,508.20, 63,762.30 and 39,883.80 is: 59,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,508.20 : 63,762.30 = 39,883.80 : x
  2. Step 2: Convert to fraction form
    42,508.20/63,762.30 = 39,883.80/x
  3. Step 3: Cross multiply
    42,508.20x = 63,762.30 × 39,883.80
  4. Step 4: Simplify right side
    42,508.20x = 2,543,082,820.74
  5. Step 5: Solve for x
    x = 2,543,082,820.74/42,508.20
  6. Step 6: Final answer
    x = 59,825.70

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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.