Home / 38,155.92-52,654.60-21,160.19

Finding the Fourth Proportional to 38,155.92, 52,654.60 and 21,160.19

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Solution

The fourth proportional to 38,155.92, 52,654.60 and 21,160.19 is: 29,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.92 : 52,654.60 = 21,160.19 : x
  2. Step 2: Convert to fraction form
    38,155.92/52,654.60 = 21,160.19/x
  3. Step 3: Cross multiply
    38,155.92x = 52,654.60 × 21,160.19
  4. Step 4: Simplify right side
    38,155.92x = 1,114,181,340.37
  5. Step 5: Solve for x
    x = 1,114,181,340.37/38,155.92
  6. Step 6: Final answer
    x = 29,200.75

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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.