Home / 45,456.28-62,749.08-30,560.92

Finding the Fourth Proportional to 45,456.28, 62,749.08 and 30,560.92

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Solution

The fourth proportional to 45,456.28, 62,749.08 and 30,560.92 is: 42,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.28 : 62,749.08 = 30,560.92 : x
  2. Step 2: Convert to fraction form
    45,456.28/62,749.08 = 30,560.92/x
  3. Step 3: Cross multiply
    45,456.28x = 62,749.08 × 30,560.92
  4. Step 4: Simplify right side
    45,456.28x = 1,917,669,613.95
  5. Step 5: Solve for x
    x = 1,917,669,613.95/45,456.28
  6. Step 6: Final answer
    x = 42,187.12

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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.