Home / 47,947.82-66,168.27-27,816.68

Finding the Fourth Proportional to 47,947.82, 66,168.27 and 27,816.68

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Solution

The fourth proportional to 47,947.82, 66,168.27 and 27,816.68 is: 38,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.82 : 66,168.27 = 27,816.68 : x
  2. Step 2: Convert to fraction form
    47,947.82/66,168.27 = 27,816.68/x
  3. Step 3: Cross multiply
    47,947.82x = 66,168.27 × 27,816.68
  4. Step 4: Simplify right side
    47,947.82x = 1,840,581,758.16
  5. Step 5: Solve for x
    x = 1,840,581,758.16/47,947.82
  6. Step 6: Final answer
    x = 38,387.19

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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.