Home / 51,705.28-71,359.44-29,044.32

Finding the Fourth Proportional to 51,705.28, 71,359.44 and 29,044.32

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Solution

The fourth proportional to 51,705.28, 71,359.44 and 29,044.32 is: 40,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.28 : 71,359.44 = 29,044.32 : x
  2. Step 2: Convert to fraction form
    51,705.28/71,359.44 = 29,044.32/x
  3. Step 3: Cross multiply
    51,705.28x = 71,359.44 × 29,044.32
  4. Step 4: Simplify right side
    51,705.28x = 2,072,586,033.87
  5. Step 5: Solve for x
    x = 2,072,586,033.87/51,705.28
  6. Step 6: Final answer
    x = 40,084.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.