Home / 45,855.66-68,789.61-18,147.18

Finding the Fourth Proportional to 45,855.66, 68,789.61 and 18,147.18

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Solution

The fourth proportional to 45,855.66, 68,789.61 and 18,147.18 is: 27,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.66 : 68,789.61 = 18,147.18 : x
  2. Step 2: Convert to fraction form
    45,855.66/68,789.61 = 18,147.18/x
  3. Step 3: Cross multiply
    45,855.66x = 68,789.61 × 18,147.18
  4. Step 4: Simplify right side
    45,855.66x = 1,248,337,434.80
  5. Step 5: Solve for x
    x = 1,248,337,434.80/45,855.66
  6. Step 6: Final answer
    x = 27,223.19

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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.