Home / 38,870.62-53,571.11-29,245.12

Finding the Fourth Proportional to 38,870.62, 53,571.11 and 29,245.12

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Solution

The fourth proportional to 38,870.62, 53,571.11 and 29,245.12 is: 40,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.62 : 53,571.11 = 29,245.12 : x
  2. Step 2: Convert to fraction form
    38,870.62/53,571.11 = 29,245.12/x
  3. Step 3: Cross multiply
    38,870.62x = 53,571.11 × 29,245.12
  4. Step 4: Simplify right side
    38,870.62x = 1,566,693,260.33
  5. Step 5: Solve for x
    x = 1,566,693,260.33/38,870.62
  6. Step 6: Final answer
    x = 40,305.34

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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.