Home / 39,663.68-54,772.92-25,541.36

Finding the Fourth Proportional to 39,663.68, 54,772.92 and 25,541.36

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Solution

The fourth proportional to 39,663.68, 54,772.92 and 25,541.36 is: 35,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.68 : 54,772.92 = 25,541.36 : x
  2. Step 2: Convert to fraction form
    39,663.68/54,772.92 = 25,541.36/x
  3. Step 3: Cross multiply
    39,663.68x = 54,772.92 × 25,541.36
  4. Step 4: Simplify right side
    39,663.68x = 1,398,974,867.97
  5. Step 5: Solve for x
    x = 1,398,974,867.97/39,663.68
  6. Step 6: Final answer
    x = 35,270.93

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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.