Home / 38,715.65-53,371.05-27,365.12

Finding the Fourth Proportional to 38,715.65, 53,371.05 and 27,365.12

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Solution

The fourth proportional to 38,715.65, 53,371.05 and 27,365.12 is: 37,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.65 : 53,371.05 = 27,365.12 : x
  2. Step 2: Convert to fraction form
    38,715.65/53,371.05 = 27,365.12/x
  3. Step 3: Cross multiply
    38,715.65x = 53,371.05 × 27,365.12
  4. Step 4: Simplify right side
    38,715.65x = 1,460,505,287.00
  5. Step 5: Solve for x
    x = 1,460,505,287.00/38,715.65
  6. Step 6: Final answer
    x = 37,723.90

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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.