Home / 38,388.60-57,582.90-18,650.16

Finding the Fourth Proportional to 38,388.60, 57,582.90 and 18,650.16

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Solution

The fourth proportional to 38,388.60, 57,582.90 and 18,650.16 is: 27,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.60 : 57,582.90 = 18,650.16 : x
  2. Step 2: Convert to fraction form
    38,388.60/57,582.90 = 18,650.16/x
  3. Step 3: Cross multiply
    38,388.60x = 57,582.90 × 18,650.16
  4. Step 4: Simplify right side
    38,388.60x = 1,073,930,298.26
  5. Step 5: Solve for x
    x = 1,073,930,298.26/38,388.60
  6. Step 6: Final answer
    x = 27,975.24

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.