Home / 40,931.32-61,394.20-15,966.76

Finding the Fourth Proportional to 40,931.32, 61,394.20 and 15,966.76

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Solution

The fourth proportional to 40,931.32, 61,394.20 and 15,966.76 is: 23,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.32 : 61,394.20 = 15,966.76 : x
  2. Step 2: Convert to fraction form
    40,931.32/61,394.20 = 15,966.76/x
  3. Step 3: Cross multiply
    40,931.32x = 61,394.20 × 15,966.76
  4. Step 4: Simplify right side
    40,931.32x = 980,266,456.79
  5. Step 5: Solve for x
    x = 980,266,456.79/40,931.32
  6. Step 6: Final answer
    x = 23,949.06

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1.5x scale

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.