Home / 31,468.68-43,426.80-17,321.76

Finding the Fourth Proportional to 31,468.68, 43,426.80 and 17,321.76

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Solution

The fourth proportional to 31,468.68, 43,426.80 and 17,321.76 is: 23,904.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.68 : 43,426.80 = 17,321.76 : x
  2. Step 2: Convert to fraction form
    31,468.68/43,426.80 = 17,321.76/x
  3. Step 3: Cross multiply
    31,468.68x = 43,426.80 × 17,321.76
  4. Step 4: Simplify right side
    31,468.68x = 752,228,607.17
  5. Step 5: Solve for x
    x = 752,228,607.17/31,468.68
  6. Step 6: Final answer
    x = 23,904.04

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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.