Home / 55,519.92-76,622.76-30,373.20

Finding the Fourth Proportional to 55,519.92, 76,622.76 and 30,373.20

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Solution

The fourth proportional to 55,519.92, 76,622.76 and 30,373.20 is: 41,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.92 : 76,622.76 = 30,373.20 : x
  2. Step 2: Convert to fraction form
    55,519.92/76,622.76 = 30,373.20/x
  3. Step 3: Cross multiply
    55,519.92x = 76,622.76 × 30,373.20
  4. Step 4: Simplify right side
    55,519.92x = 2,327,278,414.03
  5. Step 5: Solve for x
    x = 2,327,278,414.03/55,519.92
  6. Step 6: Final answer
    x = 41,917.90

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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.