Home / 48,129.76-72,206.92-18,539.64

Finding the Fourth Proportional to 48,129.76, 72,206.92 and 18,539.64

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Solution

The fourth proportional to 48,129.76, 72,206.92 and 18,539.64 is: 27,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.76 : 72,206.92 = 18,539.64 : x
  2. Step 2: Convert to fraction form
    48,129.76/72,206.92 = 18,539.64/x
  3. Step 3: Cross multiply
    48,129.76x = 72,206.92 × 18,539.64
  4. Step 4: Simplify right side
    48,129.76x = 1,338,690,302.31
  5. Step 5: Solve for x
    x = 1,338,690,302.31/48,129.76
  6. Step 6: Final answer
    x = 27,814.19

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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.