Home / 57,637.80-86,449.41-18,198.90

Finding the Fourth Proportional to 57,637.80, 86,449.41 and 18,198.90

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Solution

The fourth proportional to 57,637.80, 86,449.41 and 18,198.90 is: 27,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,637.80 : 86,449.41 = 18,198.90 : x
  2. Step 2: Convert to fraction form
    57,637.80/86,449.41 = 18,198.90/x
  3. Step 3: Cross multiply
    57,637.80x = 86,449.41 × 18,198.90
  4. Step 4: Simplify right side
    57,637.80x = 1,573,284,167.65
  5. Step 5: Solve for x
    x = 1,573,284,167.65/57,637.80
  6. Step 6: Final answer
    x = 27,296.05

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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.