Home / 31,301.40-43,194.88-17,153.92

Finding the Fourth Proportional to 31,301.40, 43,194.88 and 17,153.92

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Solution

The fourth proportional to 31,301.40, 43,194.88 and 17,153.92 is: 23,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.40 : 43,194.88 = 17,153.92 : x
  2. Step 2: Convert to fraction form
    31,301.40/43,194.88 = 17,153.92/x
  3. Step 3: Cross multiply
    31,301.40x = 43,194.88 × 17,153.92
  4. Step 4: Simplify right side
    31,301.40x = 740,961,515.93
  5. Step 5: Solve for x
    x = 740,961,515.93/31,301.40
  6. Step 6: Final answer
    x = 23,671.83

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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.