Home / 39,229.25-54,134.87-21,323.88

Finding the Fourth Proportional to 39,229.25, 54,134.87 and 21,323.88

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Solution

The fourth proportional to 39,229.25, 54,134.87 and 21,323.88 is: 29,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.25 : 54,134.87 = 21,323.88 : x
  2. Step 2: Convert to fraction form
    39,229.25/54,134.87 = 21,323.88/x
  3. Step 3: Cross multiply
    39,229.25x = 54,134.87 × 21,323.88
  4. Step 4: Simplify right side
    39,229.25x = 1,154,365,365.08
  5. Step 5: Solve for x
    x = 1,154,365,365.08/39,229.25
  6. Step 6: Final answer
    x = 29,426.14

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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.