Home / 38,081.52-52,551.20-21,086.48

Finding the Fourth Proportional to 38,081.52, 52,551.20 and 21,086.48

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Solution

The fourth proportional to 38,081.52, 52,551.20 and 21,086.48 is: 29,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.52 : 52,551.20 = 21,086.48 : x
  2. Step 2: Convert to fraction form
    38,081.52/52,551.20 = 21,086.48/x
  3. Step 3: Cross multiply
    38,081.52x = 52,551.20 × 21,086.48
  4. Step 4: Simplify right side
    38,081.52x = 1,108,119,827.78
  5. Step 5: Solve for x
    x = 1,108,119,827.78/38,081.52
  6. Step 6: Final answer
    x = 29,098.62

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Double scale
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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.