Home / 57,983.70-86,975.55-18,542.10

Finding the Fourth Proportional to 57,983.70, 86,975.55 and 18,542.10

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Solution

The fourth proportional to 57,983.70, 86,975.55 and 18,542.10 is: 27,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,983.70 : 86,975.55 = 18,542.10 : x
  2. Step 2: Convert to fraction form
    57,983.70/86,975.55 = 18,542.10/x
  3. Step 3: Cross multiply
    57,983.70x = 86,975.55 × 18,542.10
  4. Step 4: Simplify right side
    57,983.70x = 1,612,709,345.66
  5. Step 5: Solve for x
    x = 1,612,709,345.66/57,983.70
  6. Step 6: Final answer
    x = 27,813.15

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Similar ratio
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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.