Home / 39,213.60-54,114.57-22,217.79

Finding the Fourth Proportional to 39,213.60, 54,114.57 and 22,217.79

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Solution

The fourth proportional to 39,213.60, 54,114.57 and 22,217.79 is: 30,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,213.60 : 54,114.57 = 22,217.79 : x
  2. Step 2: Convert to fraction form
    39,213.60/54,114.57 = 22,217.79/x
  3. Step 3: Cross multiply
    39,213.60x = 54,114.57 × 22,217.79
  4. Step 4: Simplify right side
    39,213.60x = 1,202,306,355.13
  5. Step 5: Solve for x
    x = 1,202,306,355.13/39,213.60
  6. Step 6: Final answer
    x = 30,660.45

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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.