Home / 39,747.24-54,851.31-21,844.08

Finding the Fourth Proportional to 39,747.24, 54,851.31 and 21,844.08

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Solution

The fourth proportional to 39,747.24, 54,851.31 and 21,844.08 is: 30,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.24 : 54,851.31 = 21,844.08 : x
  2. Step 2: Convert to fraction form
    39,747.24/54,851.31 = 21,844.08/x
  3. Step 3: Cross multiply
    39,747.24x = 54,851.31 × 21,844.08
  4. Step 4: Simplify right side
    39,747.24x = 1,198,176,403.74
  5. Step 5: Solve for x
    x = 1,198,176,403.74/39,747.24
  6. Step 6: Final answer
    x = 30,144.90

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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.