Home / 31,468.18-43,426.38-17,321.13

Finding the Fourth Proportional to 31,468.18, 43,426.38 and 17,321.13

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Solution

The fourth proportional to 31,468.18, 43,426.38 and 17,321.13 is: 23,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,468.18 : 43,426.38 = 17,321.13 : x
  2. Step 2: Convert to fraction form
    31,468.18/43,426.38 = 17,321.13/x
  3. Step 3: Cross multiply
    31,468.18x = 43,426.38 × 17,321.13
  4. Step 4: Simplify right side
    31,468.18x = 752,193,973.41
  5. Step 5: Solve for x
    x = 752,193,973.41/31,468.18
  6. Step 6: Final answer
    x = 23,903.32

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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.