Home / 31,516.20-43,432.49-22,548.15

Finding the Fourth Proportional to 31,516.20, 43,432.49 and 22,548.15

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Solution

The fourth proportional to 31,516.20, 43,432.49 and 22,548.15 is: 31,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.20 : 43,432.49 = 22,548.15 : x
  2. Step 2: Convert to fraction form
    31,516.20/43,432.49 = 22,548.15/x
  3. Step 3: Cross multiply
    31,516.20x = 43,432.49 × 22,548.15
  4. Step 4: Simplify right side
    31,516.20x = 979,322,355.76
  5. Step 5: Solve for x
    x = 979,322,355.76/31,516.20
  6. Step 6: Final answer
    x = 31,073.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.