Home / 49,002.50-73,472.16-20,940.86

Finding the Fourth Proportional to 49,002.50, 73,472.16 and 20,940.86

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Solution

The fourth proportional to 49,002.50, 73,472.16 and 20,940.86 is: 31,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,002.50 : 73,472.16 = 20,940.86 : x
  2. Step 2: Convert to fraction form
    49,002.50/73,472.16 = 20,940.86/x
  3. Step 3: Cross multiply
    49,002.50x = 73,472.16 × 20,940.86
  4. Step 4: Simplify right side
    49,002.50x = 1,538,570,478.67
  5. Step 5: Solve for x
    x = 1,538,570,478.67/49,002.50
  6. Step 6: Final answer
    x = 31,397.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.