Home / 38,371.82-52,952.39-21,377.47

Finding the Fourth Proportional to 38,371.82, 52,952.39 and 21,377.47

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Solution

The fourth proportional to 38,371.82, 52,952.39 and 21,377.47 is: 29,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.82 : 52,952.39 = 21,377.47 : x
  2. Step 2: Convert to fraction form
    38,371.82/52,952.39 = 21,377.47/x
  3. Step 3: Cross multiply
    38,371.82x = 52,952.39 × 21,377.47
  4. Step 4: Simplify right side
    38,371.82x = 1,131,988,049.72
  5. Step 5: Solve for x
    x = 1,131,988,049.72/38,371.82
  6. Step 6: Final answer
    x = 29,500.50

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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.