Home / 38,799.05-58,167.17-12,131.31

Finding the Fourth Proportional to 38,799.05, 58,167.17 and 12,131.31

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Solution

The fourth proportional to 38,799.05, 58,167.17 and 12,131.31 is: 18,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799.05 : 58,167.17 = 12,131.31 : x
  2. Step 2: Convert to fraction form
    38,799.05/58,167.17 = 12,131.31/x
  3. Step 3: Cross multiply
    38,799.05x = 58,167.17 × 12,131.31
  4. Step 4: Simplify right side
    38,799.05x = 705,643,910.44
  5. Step 5: Solve for x
    x = 705,643,910.44/38,799.05
  6. Step 6: Final answer
    x = 18,187.15

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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.