Home / 49,219.80-73,829.70-40,909.20

Finding the Fourth Proportional to 49,219.80, 73,829.70 and 40,909.20

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Solution

The fourth proportional to 49,219.80, 73,829.70 and 40,909.20 is: 61,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,219.80 : 73,829.70 = 40,909.20 : x
  2. Step 2: Convert to fraction form
    49,219.80/73,829.70 = 40,909.20/x
  3. Step 3: Cross multiply
    49,219.80x = 73,829.70 × 40,909.20
  4. Step 4: Simplify right side
    49,219.80x = 3,020,313,963.24
  5. Step 5: Solve for x
    x = 3,020,313,963.24/49,219.80
  6. Step 6: Final answer
    x = 61,363.80

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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.