Home / 48,739.20-73,103.40-39,958.80

Finding the Fourth Proportional to 48,739.20, 73,103.40 and 39,958.80

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Solution

The fourth proportional to 48,739.20, 73,103.40 and 39,958.80 is: 59,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,739.20 : 73,103.40 = 39,958.80 : x
  2. Step 2: Convert to fraction form
    48,739.20/73,103.40 = 39,958.80/x
  3. Step 3: Cross multiply
    48,739.20x = 73,103.40 × 39,958.80
  4. Step 4: Simplify right side
    48,739.20x = 2,921,124,139.92
  5. Step 5: Solve for x
    x = 2,921,124,139.92/48,739.20
  6. Step 6: Final answer
    x = 59,933.77

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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.