Home / 55,760.97-76,948.05-31,887.03

Finding the Fourth Proportional to 55,760.97, 76,948.05 and 31,887.03

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Solution

The fourth proportional to 55,760.97, 76,948.05 and 31,887.03 is: 44,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,760.97 : 76,948.05 = 31,887.03 : x
  2. Step 2: Convert to fraction form
    55,760.97/76,948.05 = 31,887.03/x
  3. Step 3: Cross multiply
    55,760.97x = 76,948.05 × 31,887.03
  4. Step 4: Simplify right side
    55,760.97x = 2,453,644,778.79
  5. Step 5: Solve for x
    x = 2,453,644,778.79/55,760.97
  6. Step 6: Final answer
    x = 44,002.91

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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.