Home / 54,228.92-81,335-14,789.24

Finding the Fourth Proportional to 54,228.92, 81,335 and 14,789.24

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Solution

The fourth proportional to 54,228.92, 81,335 and 14,789.24 is: 22,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,228.92 : 81,335 = 14,789.24 : x
  2. Step 2: Convert to fraction form
    54,228.92/81,335 = 14,789.24/x
  3. Step 3: Cross multiply
    54,228.92x = 81,335 × 14,789.24
  4. Step 4: Simplify right side
    54,228.92x = 1,202,882,835.40
  5. Step 5: Solve for x
    x = 1,202,882,835.40/54,228.92
  6. Step 6: Final answer
    x = 22,181.57

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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.