Home / 39,236.22-54,147.04-21,332.42

Finding the Fourth Proportional to 39,236.22, 54,147.04 and 21,332.42

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Solution

The fourth proportional to 39,236.22, 54,147.04 and 21,332.42 is: 29,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,236.22 : 54,147.04 = 21,332.42 : x
  2. Step 2: Convert to fraction form
    39,236.22/54,147.04 = 21,332.42/x
  3. Step 3: Cross multiply
    39,236.22x = 54,147.04 × 21,332.42
  4. Step 4: Simplify right side
    39,236.22x = 1,155,087,399.04
  5. Step 5: Solve for x
    x = 1,155,087,399.04/39,236.22
  6. Step 6: Final answer
    x = 29,439.31

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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.