Home / 36,821.70-55,232.55-9,119.70

Finding the Fourth Proportional to 36,821.70, 55,232.55 and 9,119.70

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Solution

The fourth proportional to 36,821.70, 55,232.55 and 9,119.70 is: 13,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.70 : 55,232.55 = 9,119.70 : x
  2. Step 2: Convert to fraction form
    36,821.70/55,232.55 = 9,119.70/x
  3. Step 3: Cross multiply
    36,821.70x = 55,232.55 × 9,119.70
  4. Step 4: Simplify right side
    36,821.70x = 503,704,286.24
  5. Step 5: Solve for x
    x = 503,704,286.24/36,821.70
  6. Step 6: Final answer
    x = 13,679.55

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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.