Home / 47,947.32-71,921.66-18,366.66

Finding the Fourth Proportional to 47,947.32, 71,921.66 and 18,366.66

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Solution

The fourth proportional to 47,947.32, 71,921.66 and 18,366.66 is: 27,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,947.32 : 71,921.66 = 18,366.66 : x
  2. Step 2: Convert to fraction form
    47,947.32/71,921.66 = 18,366.66/x
  3. Step 3: Cross multiply
    47,947.32x = 71,921.66 × 18,366.66
  4. Step 4: Simplify right side
    47,947.32x = 1,320,960,584.02
  5. Step 5: Solve for x
    x = 1,320,960,584.02/47,947.32
  6. Step 6: Final answer
    x = 27,550.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.