Home / 49,112.87-67,722.12-33,169.64

Finding the Fourth Proportional to 49,112.87, 67,722.12 and 33,169.64

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Solution

The fourth proportional to 49,112.87, 67,722.12 and 33,169.64 is: 45,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,112.87 : 67,722.12 = 33,169.64 : x
  2. Step 2: Convert to fraction form
    49,112.87/67,722.12 = 33,169.64/x
  3. Step 3: Cross multiply
    49,112.87x = 67,722.12 × 33,169.64
  4. Step 4: Simplify right side
    49,112.87x = 2,246,318,001.83
  5. Step 5: Solve for x
    x = 2,246,318,001.83/49,112.87
  6. Step 6: Final answer
    x = 45,737.87

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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.