Home / 38,326.96-52,891.08-21,331.12

Finding the Fourth Proportional to 38,326.96, 52,891.08 and 21,331.12

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Solution

The fourth proportional to 38,326.96, 52,891.08 and 21,331.12 is: 29,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.96 : 52,891.08 = 21,331.12 : x
  2. Step 2: Convert to fraction form
    38,326.96/52,891.08 = 21,331.12/x
  3. Step 3: Cross multiply
    38,326.96x = 52,891.08 × 21,331.12
  4. Step 4: Simplify right side
    38,326.96x = 1,128,225,974.41
  5. Step 5: Solve for x
    x = 1,128,225,974.41/38,326.96
  6. Step 6: Final answer
    x = 29,436.88

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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.