Home / 29,190.43-43,785.69-8,130.53

Finding the Fourth Proportional to 29,190.43, 43,785.69 and 8,130.53

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Solution

The fourth proportional to 29,190.43, 43,785.69 and 8,130.53 is: 12,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.43 : 43,785.69 = 8,130.53 : x
  2. Step 2: Convert to fraction form
    29,190.43/43,785.69 = 8,130.53/x
  3. Step 3: Cross multiply
    29,190.43x = 43,785.69 × 8,130.53
  4. Step 4: Simplify right side
    29,190.43x = 356,000,945.09
  5. Step 5: Solve for x
    x = 356,000,945.09/29,190.43
  6. Step 6: Final answer
    x = 12,195.81

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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.