Home / 31,626.28-43,642.50-17,478.22

Finding the Fourth Proportional to 31,626.28, 43,642.50 and 17,478.22

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Solution

The fourth proportional to 31,626.28, 43,642.50 and 17,478.22 is: 24,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.28 : 43,642.50 = 17,478.22 : x
  2. Step 2: Convert to fraction form
    31,626.28/43,642.50 = 17,478.22/x
  3. Step 3: Cross multiply
    31,626.28x = 43,642.50 × 17,478.22
  4. Step 4: Simplify right side
    31,626.28x = 762,793,216.35
  5. Step 5: Solve for x
    x = 762,793,216.35/31,626.28
  6. Step 6: Final answer
    x = 24,118.97

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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.