Home / 29,139.12-43,715.16-8,361.04

Finding the Fourth Proportional to 29,139.12, 43,715.16 and 8,361.04

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Solution

The fourth proportional to 29,139.12, 43,715.16 and 8,361.04 is: 12,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.12 : 43,715.16 = 8,361.04 : x
  2. Step 2: Convert to fraction form
    29,139.12/43,715.16 = 8,361.04/x
  3. Step 3: Cross multiply
    29,139.12x = 43,715.16 × 8,361.04
  4. Step 4: Simplify right side
    29,139.12x = 365,504,201.37
  5. Step 5: Solve for x
    x = 365,504,201.37/29,139.12
  6. Step 6: Final answer
    x = 12,543.42

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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.