Home / 41,639.80-57,470.18-40,255.81

Finding the Fourth Proportional to 41,639.80, 57,470.18 and 40,255.81

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Solution

The fourth proportional to 41,639.80, 57,470.18 and 40,255.81 is: 55,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,639.80 : 57,470.18 = 40,255.81 : x
  2. Step 2: Convert to fraction form
    41,639.80/57,470.18 = 40,255.81/x
  3. Step 3: Cross multiply
    41,639.80x = 57,470.18 × 40,255.81
  4. Step 4: Simplify right side
    41,639.80x = 2,313,508,158.12
  5. Step 5: Solve for x
    x = 2,313,508,158.12/41,639.80
  6. Step 6: Final answer
    x = 55,560.03

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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.