Home / 40,966.56-61,479-31,615.92

Finding the Fourth Proportional to 40,966.56, 61,479 and 31,615.92

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Solution

The fourth proportional to 40,966.56, 61,479 and 31,615.92 is: 47,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.56 : 61,479 = 31,615.92 : x
  2. Step 2: Convert to fraction form
    40,966.56/61,479 = 31,615.92/x
  3. Step 3: Cross multiply
    40,966.56x = 61,479 × 31,615.92
  4. Step 4: Simplify right side
    40,966.56x = 1,943,715,145.68
  5. Step 5: Solve for x
    x = 1,943,715,145.68/40,966.56
  6. Step 6: Final answer
    x = 47,446.38

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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.