Home / 39,251.42-54,167.36-21,346.82

Finding the Fourth Proportional to 39,251.42, 54,167.36 and 21,346.82

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Solution

The fourth proportional to 39,251.42, 54,167.36 and 21,346.82 is: 29,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.42 : 54,167.36 = 21,346.82 : x
  2. Step 2: Convert to fraction form
    39,251.42/54,167.36 = 21,346.82/x
  3. Step 3: Cross multiply
    39,251.42x = 54,167.36 × 21,346.82
  4. Step 4: Simplify right side
    39,251.42x = 1,156,300,709.35
  5. Step 5: Solve for x
    x = 1,156,300,709.35/39,251.42
  6. Step 6: Final answer
    x = 29,458.83

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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.