Home / 31,591.71-43,593.27-18,164.91

Finding the Fourth Proportional to 31,591.71, 43,593.27 and 18,164.91

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Solution

The fourth proportional to 31,591.71, 43,593.27 and 18,164.91 is: 25,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.71 : 43,593.27 = 18,164.91 : x
  2. Step 2: Convert to fraction form
    31,591.71/43,593.27 = 18,164.91/x
  3. Step 3: Cross multiply
    31,591.71x = 43,593.27 × 18,164.91
  4. Step 4: Simplify right side
    31,591.71x = 791,867,826.16
  5. Step 5: Solve for x
    x = 791,867,826.16/31,591.71
  6. Step 6: Final answer
    x = 25,065.68

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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.