Home / 31,326.12-43,287.28-22,813.43

Finding the Fourth Proportional to 31,326.12, 43,287.28 and 22,813.43

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Solution

The fourth proportional to 31,326.12, 43,287.28 and 22,813.43 is: 31,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.12 : 43,287.28 = 22,813.43 : x
  2. Step 2: Convert to fraction form
    31,326.12/43,287.28 = 22,813.43/x
  3. Step 3: Cross multiply
    31,326.12x = 43,287.28 × 22,813.43
  4. Step 4: Simplify right side
    31,326.12x = 987,531,058.70
  5. Step 5: Solve for x
    x = 987,531,058.70/31,326.12
  6. Step 6: Final answer
    x = 31,524.21

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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.