Home / 31,624.92-43,642.62-17,478.18

Finding the Fourth Proportional to 31,624.92, 43,642.62 and 17,478.18

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Solution

The fourth proportional to 31,624.92, 43,642.62 and 17,478.18 is: 24,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.92 : 43,642.62 = 17,478.18 : x
  2. Step 2: Convert to fraction form
    31,624.92/43,642.62 = 17,478.18/x
  3. Step 3: Cross multiply
    31,624.92x = 43,642.62 × 17,478.18
  4. Step 4: Simplify right side
    31,624.92x = 762,793,568.03
  5. Step 5: Solve for x
    x = 762,793,568.03/31,624.92
  6. Step 6: Final answer
    x = 24,120.02

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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.