Home / 40,882.32-61,313.76-11,296.80

Finding the Fourth Proportional to 40,882.32, 61,313.76 and 11,296.80

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Solution

The fourth proportional to 40,882.32, 61,313.76 and 11,296.80 is: 16,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.32 : 61,313.76 = 11,296.80 : x
  2. Step 2: Convert to fraction form
    40,882.32/61,313.76 = 11,296.80/x
  3. Step 3: Cross multiply
    40,882.32x = 61,313.76 × 11,296.80
  4. Step 4: Simplify right side
    40,882.32x = 692,649,283.97
  5. Step 5: Solve for x
    x = 692,649,283.97/40,882.32
  6. Step 6: Final answer
    x = 16,942.51

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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.