Home / 40,177.28-60,243.84-31,910.24

Finding the Fourth Proportional to 40,177.28, 60,243.84 and 31,910.24

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Solution

The fourth proportional to 40,177.28, 60,243.84 and 31,910.24 is: 47,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.28 : 60,243.84 = 31,910.24 : x
  2. Step 2: Convert to fraction form
    40,177.28/60,243.84 = 31,910.24/x
  3. Step 3: Cross multiply
    40,177.28x = 60,243.84 × 31,910.24
  4. Step 4: Simplify right side
    40,177.28x = 1,922,395,392.92
  5. Step 5: Solve for x
    x = 1,922,395,392.92/40,177.28
  6. Step 6: Final answer
    x = 47,847.82

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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.