Home / 55,425.20-83,150.09-15,979.23

Finding the Fourth Proportional to 55,425.20, 83,150.09 and 15,979.23

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Solution

The fourth proportional to 55,425.20, 83,150.09 and 15,979.23 is: 23,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.20 : 83,150.09 = 15,979.23 : x
  2. Step 2: Convert to fraction form
    55,425.20/83,150.09 = 15,979.23/x
  3. Step 3: Cross multiply
    55,425.20x = 83,150.09 × 15,979.23
  4. Step 4: Simplify right side
    55,425.20x = 1,328,674,332.73
  5. Step 5: Solve for x
    x = 1,328,674,332.73/55,425.20
  6. Step 6: Final answer
    x = 23,972.39

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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.