Home / 39,251.43-54,167.67-21,346.38

Finding the Fourth Proportional to 39,251.43, 54,167.67 and 21,346.38

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Solution

The fourth proportional to 39,251.43, 54,167.67 and 21,346.38 is: 29,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.43 : 54,167.67 = 21,346.38 : x
  2. Step 2: Convert to fraction form
    39,251.43/54,167.67 = 21,346.38/x
  3. Step 3: Cross multiply
    39,251.43x = 54,167.67 × 21,346.38
  4. Step 4: Simplify right side
    39,251.43x = 1,156,283,667.53
  5. Step 5: Solve for x
    x = 1,156,283,667.53/39,251.43
  6. Step 6: Final answer
    x = 29,458.38

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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.