Home / 38,876.66-53,654.97-21,884.24

Finding the Fourth Proportional to 38,876.66, 53,654.97 and 21,884.24

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Solution

The fourth proportional to 38,876.66, 53,654.97 and 21,884.24 is: 30,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,876.66 : 53,654.97 = 21,884.24 : x
  2. Step 2: Convert to fraction form
    38,876.66/53,654.97 = 21,884.24/x
  3. Step 3: Cross multiply
    38,876.66x = 53,654.97 × 21,884.24
  4. Step 4: Simplify right side
    38,876.66x = 1,174,198,138.20
  5. Step 5: Solve for x
    x = 1,174,198,138.20/38,876.66
  6. Step 6: Final answer
    x = 30,203.16

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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.