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Finding the Fourth Proportional to 29,301.53, 43,951.83 and 7,115.09

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Solution

The fourth proportional to 29,301.53, 43,951.83 and 7,115.09 is: 10,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.53 : 43,951.83 = 7,115.09 : x
  2. Step 2: Convert to fraction form
    29,301.53/43,951.83 = 7,115.09/x
  3. Step 3: Cross multiply
    29,301.53x = 43,951.83 × 7,115.09
  4. Step 4: Simplify right side
    29,301.53x = 312,721,226.11
  5. Step 5: Solve for x
    x = 312,721,226.11/29,301.53
  6. Step 6: Final answer
    x = 10,672.52

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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.