Home / 38,326.40-57,414.88-21,635.96

Finding the Fourth Proportional to 38,326.40, 57,414.88 and 21,635.96

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Solution

The fourth proportional to 38,326.40, 57,414.88 and 21,635.96 is: 32,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.40 : 57,414.88 = 21,635.96 : x
  2. Step 2: Convert to fraction form
    38,326.40/57,414.88 = 21,635.96/x
  3. Step 3: Cross multiply
    38,326.40x = 57,414.88 × 21,635.96
  4. Step 4: Simplify right side
    38,326.40x = 1,242,226,047.08
  5. Step 5: Solve for x
    x = 1,242,226,047.08/38,326.40
  6. Step 6: Final answer
    x = 32,411.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.