Home / 31,476.76-43,436.28-17,326.84

Finding the Fourth Proportional to 31,476.76, 43,436.28 and 17,326.84

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Solution

The fourth proportional to 31,476.76, 43,436.28 and 17,326.84 is: 23,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.76 : 43,436.28 = 17,326.84 : x
  2. Step 2: Convert to fraction form
    31,476.76/43,436.28 = 17,326.84/x
  3. Step 3: Cross multiply
    31,476.76x = 43,436.28 × 17,326.84
  4. Step 4: Simplify right side
    31,476.76x = 752,613,473.76
  5. Step 5: Solve for x
    x = 752,613,473.76/31,476.76
  6. Step 6: Final answer
    x = 23,910.13

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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.