Home / 36,405.36-54,621.18-12,716.42

Finding the Fourth Proportional to 36,405.36, 54,621.18 and 12,716.42

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Solution

The fourth proportional to 36,405.36, 54,621.18 and 12,716.42 is: 19,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.36 : 54,621.18 = 12,716.42 : x
  2. Step 2: Convert to fraction form
    36,405.36/54,621.18 = 12,716.42/x
  3. Step 3: Cross multiply
    36,405.36x = 54,621.18 × 12,716.42
  4. Step 4: Simplify right side
    36,405.36x = 694,585,592.67
  5. Step 5: Solve for x
    x = 694,585,592.67/36,405.36
  6. Step 6: Final answer
    x = 19,079.21

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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.