Home / 54,591.32-81,887.01-15,148.47

Finding the Fourth Proportional to 54,591.32, 81,887.01 and 15,148.47

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Solution

The fourth proportional to 54,591.32, 81,887.01 and 15,148.47 is: 22,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.32 : 81,887.01 = 15,148.47 : x
  2. Step 2: Convert to fraction form
    54,591.32/81,887.01 = 15,148.47/x
  3. Step 3: Cross multiply
    54,591.32x = 81,887.01 × 15,148.47
  4. Step 4: Simplify right side
    54,591.32x = 1,240,462,504.94
  5. Step 5: Solve for x
    x = 1,240,462,504.94/54,591.32
  6. Step 6: Final answer
    x = 22,722.71

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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.