Home / 38,091-52,565.58-21,324.12

Finding the Fourth Proportional to 38,091, 52,565.58 and 21,324.12

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Solution

The fourth proportional to 38,091, 52,565.58 and 21,324.12 is: 29,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091 : 52,565.58 = 21,324.12 : x
  2. Step 2: Convert to fraction form
    38,091/52,565.58 = 21,324.12/x
  3. Step 3: Cross multiply
    38,091x = 52,565.58 × 21,324.12
  4. Step 4: Simplify right side
    38,091x = 1,120,914,735.79
  5. Step 5: Solve for x
    x = 1,120,914,735.79/38,091
  6. Step 6: Final answer
    x = 29,427.29

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Double scale
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Similar ratio
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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.