Home / 38,853.62-53,618.20-22,945.91

Finding the Fourth Proportional to 38,853.62, 53,618.20 and 22,945.91

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Solution

The fourth proportional to 38,853.62, 53,618.20 and 22,945.91 is: 31,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.62 : 53,618.20 = 22,945.91 : x
  2. Step 2: Convert to fraction form
    38,853.62/53,618.20 = 22,945.91/x
  3. Step 3: Cross multiply
    38,853.62x = 53,618.20 × 22,945.91
  4. Step 4: Simplify right side
    38,853.62x = 1,230,318,391.56
  5. Step 5: Solve for x
    x = 1,230,318,391.56/38,853.62
  6. Step 6: Final answer
    x = 31,665.48

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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.