Home / 55,125.11-76,073.57-31,251.30

Finding the Fourth Proportional to 55,125.11, 76,073.57 and 31,251.30

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Solution

The fourth proportional to 55,125.11, 76,073.57 and 31,251.30 is: 43,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,125.11 : 76,073.57 = 31,251.30 : x
  2. Step 2: Convert to fraction form
    55,125.11/76,073.57 = 31,251.30/x
  3. Step 3: Cross multiply
    55,125.11x = 76,073.57 × 31,251.30
  4. Step 4: Simplify right side
    55,125.11x = 2,377,397,801.88
  5. Step 5: Solve for x
    x = 2,377,397,801.88/55,125.11
  6. Step 6: Final answer
    x = 43,127.32

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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.