Home / 55,425.06-83,149.90-15,979.10

Finding the Fourth Proportional to 55,425.06, 83,149.90 and 15,979.10

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Solution

The fourth proportional to 55,425.06, 83,149.90 and 15,979.10 is: 23,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.06 : 83,149.90 = 15,979.10 : x
  2. Step 2: Convert to fraction form
    55,425.06/83,149.90 = 15,979.10/x
  3. Step 3: Cross multiply
    55,425.06x = 83,149.90 × 15,979.10
  4. Step 4: Simplify right side
    55,425.06x = 1,328,660,567.09
  5. Step 5: Solve for x
    x = 1,328,660,567.09/55,425.06
  6. Step 6: Final answer
    x = 23,972.20

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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.