Home / 36,981.18-55,471.41-9,279.18

Finding the Fourth Proportional to 36,981.18, 55,471.41 and 9,279.18

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Solution

The fourth proportional to 36,981.18, 55,471.41 and 9,279.18 is: 13,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.18 : 55,471.41 = 9,279.18 : x
  2. Step 2: Convert to fraction form
    36,981.18/55,471.41 = 9,279.18/x
  3. Step 3: Cross multiply
    36,981.18x = 55,471.41 × 9,279.18
  4. Step 4: Simplify right side
    36,981.18x = 514,729,198.24
  5. Step 5: Solve for x
    x = 514,729,198.24/36,981.18
  6. Step 6: Final answer
    x = 13,918.68

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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.