Home / 39,749.72-54,853.53-21,844.73

Finding the Fourth Proportional to 39,749.72, 54,853.53 and 21,844.73

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Solution

The fourth proportional to 39,749.72, 54,853.53 and 21,844.73 is: 30,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.72 : 54,853.53 = 21,844.73 : x
  2. Step 2: Convert to fraction form
    39,749.72/54,853.53 = 21,844.73/x
  3. Step 3: Cross multiply
    39,749.72x = 54,853.53 × 21,844.73
  4. Step 4: Simplify right side
    39,749.72x = 1,198,260,552.40
  5. Step 5: Solve for x
    x = 1,198,260,552.40/39,749.72
  6. Step 6: Final answer
    x = 30,145.13

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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.