Home / 29,245-43,869.12-8,470.12

Finding the Fourth Proportional to 29,245, 43,869.12 and 8,470.12

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Solution

The fourth proportional to 29,245, 43,869.12 and 8,470.12 is: 12,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,245 : 43,869.12 = 8,470.12 : x
  2. Step 2: Convert to fraction form
    29,245/43,869.12 = 8,470.12/x
  3. Step 3: Cross multiply
    29,245x = 43,869.12 × 8,470.12
  4. Step 4: Simplify right side
    29,245x = 371,576,710.69
  5. Step 5: Solve for x
    x = 371,576,710.69/29,245
  6. Step 6: Final answer
    x = 12,705.65

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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.