Home / 49,221.80-73,832.70-40,911.20

Finding the Fourth Proportional to 49,221.80, 73,832.70 and 40,911.20

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Solution

The fourth proportional to 49,221.80, 73,832.70 and 40,911.20 is: 61,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,221.80 : 73,832.70 = 40,911.20 : x
  2. Step 2: Convert to fraction form
    49,221.80/73,832.70 = 40,911.20/x
  3. Step 3: Cross multiply
    49,221.80x = 73,832.70 × 40,911.20
  4. Step 4: Simplify right side
    49,221.80x = 3,020,584,356.24
  5. Step 5: Solve for x
    x = 3,020,584,356.24/49,221.80
  6. Step 6: Final answer
    x = 61,366.80

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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.