Home / 40,073.28-60,087.78-31,806.24

Finding the Fourth Proportional to 40,073.28, 60,087.78 and 31,806.24

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Solution

The fourth proportional to 40,073.28, 60,087.78 and 31,806.24 is: 47,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.28 : 60,087.78 = 31,806.24 : x
  2. Step 2: Convert to fraction form
    40,073.28/60,087.78 = 31,806.24/x
  3. Step 3: Cross multiply
    40,073.28x = 60,087.78 × 31,806.24
  4. Step 4: Simplify right side
    40,073.28x = 1,911,166,351.75
  5. Step 5: Solve for x
    x = 1,911,166,351.75/40,073.28
  6. Step 6: Final answer
    x = 47,691.79

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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.