Home / 39,251.23-54,167.18-21,346.69

Finding the Fourth Proportional to 39,251.23, 54,167.18 and 21,346.69

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Solution

The fourth proportional to 39,251.23, 54,167.18 and 21,346.69 is: 29,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.23 : 54,167.18 = 21,346.69 : x
  2. Step 2: Convert to fraction form
    39,251.23/54,167.18 = 21,346.69/x
  3. Step 3: Cross multiply
    39,251.23x = 54,167.18 × 21,346.69
  4. Step 4: Simplify right side
    39,251.23x = 1,156,289,999.63
  5. Step 5: Solve for x
    x = 1,156,289,999.63/39,251.23
  6. Step 6: Final answer
    x = 29,458.69

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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.