Home / 55,425.20-76,487.39-31,552.27

Finding the Fourth Proportional to 55,425.20, 76,487.39 and 31,552.27

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Solution

The fourth proportional to 55,425.20, 76,487.39 and 31,552.27 is: 43,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.20 : 76,487.39 = 31,552.27 : x
  2. Step 2: Convert to fraction form
    55,425.20/76,487.39 = 31,552.27/x
  3. Step 3: Cross multiply
    55,425.20x = 76,487.39 × 31,552.27
  4. Step 4: Simplify right side
    55,425.20x = 2,413,350,550.22
  5. Step 5: Solve for x
    x = 2,413,350,550.22/55,425.20
  6. Step 6: Final answer
    x = 43,542.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.