Home / 29,180.66-43,770.61-13,381.20

Finding the Fourth Proportional to 29,180.66, 43,770.61 and 13,381.20

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Solution

The fourth proportional to 29,180.66, 43,770.61 and 13,381.20 is: 20,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,180.66 : 43,770.61 = 13,381.20 : x
  2. Step 2: Convert to fraction form
    29,180.66/43,770.61 = 13,381.20/x
  3. Step 3: Cross multiply
    29,180.66x = 43,770.61 × 13,381.20
  4. Step 4: Simplify right side
    29,180.66x = 585,703,286.53
  5. Step 5: Solve for x
    x = 585,703,286.53/29,180.66
  6. Step 6: Final answer
    x = 20,071.63

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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.