Home / 39,346.52-54,298.11-21,441.48

Finding the Fourth Proportional to 39,346.52, 54,298.11 and 21,441.48

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Solution

The fourth proportional to 39,346.52, 54,298.11 and 21,441.48 is: 29,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.52 : 54,298.11 = 21,441.48 : x
  2. Step 2: Convert to fraction form
    39,346.52/54,298.11 = 21,441.48/x
  3. Step 3: Cross multiply
    39,346.52x = 54,298.11 × 21,441.48
  4. Step 4: Simplify right side
    39,346.52x = 1,164,231,839.60
  5. Step 5: Solve for x
    x = 1,164,231,839.60/39,346.52
  6. Step 6: Final answer
    x = 29,589.20

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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.