Home / 39,105.27-53,892.90-27,775.26

Finding the Fourth Proportional to 39,105.27, 53,892.90 and 27,775.26

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Solution

The fourth proportional to 39,105.27, 53,892.90 and 27,775.26 is: 38,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.27 : 53,892.90 = 27,775.26 : x
  2. Step 2: Convert to fraction form
    39,105.27/53,892.90 = 27,775.26/x
  3. Step 3: Cross multiply
    39,105.27x = 53,892.90 × 27,775.26
  4. Step 4: Simplify right side
    39,105.27x = 1,496,889,309.65
  5. Step 5: Solve for x
    x = 1,496,889,309.65/39,105.27
  6. Step 6: Final answer
    x = 38,278.45

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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.