Home / 38,245.22-57,326.82-18,480.21

Finding the Fourth Proportional to 38,245.22, 57,326.82 and 18,480.21

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Solution

The fourth proportional to 38,245.22, 57,326.82 and 18,480.21 is: 27,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.22 : 57,326.82 = 18,480.21 : x
  2. Step 2: Convert to fraction form
    38,245.22/57,326.82 = 18,480.21/x
  3. Step 3: Cross multiply
    38,245.22x = 57,326.82 × 18,480.21
  4. Step 4: Simplify right side
    38,245.22x = 1,059,411,387.96
  5. Step 5: Solve for x
    x = 1,059,411,387.96/38,245.22
  6. Step 6: Final answer
    x = 27,700.49

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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.