Home / 48,686.20-73,023.90-39,905.80

Finding the Fourth Proportional to 48,686.20, 73,023.90 and 39,905.80

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Solution

The fourth proportional to 48,686.20, 73,023.90 and 39,905.80 is: 59,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.20 : 73,023.90 = 39,905.80 : x
  2. Step 2: Convert to fraction form
    48,686.20/73,023.90 = 39,905.80/x
  3. Step 3: Cross multiply
    48,686.20x = 73,023.90 × 39,905.80
  4. Step 4: Simplify right side
    48,686.20x = 2,914,077,148.62
  5. Step 5: Solve for x
    x = 2,914,077,148.62/48,686.20
  6. Step 6: Final answer
    x = 59,854.27

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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.