Home / 54,912.92-75,771.90-30,713.76

Finding the Fourth Proportional to 54,912.92, 75,771.90 and 30,713.76

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Solution

The fourth proportional to 54,912.92, 75,771.90 and 30,713.76 is: 42,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,912.92 : 75,771.90 = 30,713.76 : x
  2. Step 2: Convert to fraction form
    54,912.92/75,771.90 = 30,713.76/x
  3. Step 3: Cross multiply
    54,912.92x = 75,771.90 × 30,713.76
  4. Step 4: Simplify right side
    54,912.92x = 2,327,239,951.34
  5. Step 5: Solve for x
    x = 2,327,239,951.34/54,912.92
  6. Step 6: Final answer
    x = 42,380.56

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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.