Home / 29,287.55-43,931.32-11,757.38

Finding the Fourth Proportional to 29,287.55, 43,931.32 and 11,757.38

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Solution

The fourth proportional to 29,287.55, 43,931.32 and 11,757.38 is: 17,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.55 : 43,931.32 = 11,757.38 : x
  2. Step 2: Convert to fraction form
    29,287.55/43,931.32 = 11,757.38/x
  3. Step 3: Cross multiply
    29,287.55x = 43,931.32 × 11,757.38
  4. Step 4: Simplify right side
    29,287.55x = 516,516,974.09
  5. Step 5: Solve for x
    x = 516,516,974.09/29,287.55
  6. Step 6: Final answer
    x = 17,636.06

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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.