Home / 36,227.61-54,348.75-12,855.87

Finding the Fourth Proportional to 36,227.61, 54,348.75 and 12,855.87

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Solution

The fourth proportional to 36,227.61, 54,348.75 and 12,855.87 is: 19,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,227.61 : 54,348.75 = 12,855.87 : x
  2. Step 2: Convert to fraction form
    36,227.61/54,348.75 = 12,855.87/x
  3. Step 3: Cross multiply
    36,227.61x = 54,348.75 × 12,855.87
  4. Step 4: Simplify right side
    36,227.61x = 698,700,464.66
  5. Step 5: Solve for x
    x = 698,700,464.66/36,227.61
  6. Step 6: Final answer
    x = 19,286.41

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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.