Home / 63,440.20-87,406.50-41,891.68

Finding the Fourth Proportional to 63,440.20, 87,406.50 and 41,891.68

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Solution

The fourth proportional to 63,440.20, 87,406.50 and 41,891.68 is: 57,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,440.20 : 87,406.50 = 41,891.68 : x
  2. Step 2: Convert to fraction form
    63,440.20/87,406.50 = 41,891.68/x
  3. Step 3: Cross multiply
    63,440.20x = 87,406.50 × 41,891.68
  4. Step 4: Simplify right side
    63,440.20x = 3,661,605,127.92
  5. Step 5: Solve for x
    x = 3,661,605,127.92/63,440.20
  6. Step 6: Final answer
    x = 57,717.43

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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.