Home / 47,721.89-71,551.25-22,765.79

Finding the Fourth Proportional to 47,721.89, 71,551.25 and 22,765.79

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Solution

The fourth proportional to 47,721.89, 71,551.25 and 22,765.79 is: 34,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.89 : 71,551.25 = 22,765.79 : x
  2. Step 2: Convert to fraction form
    47,721.89/71,551.25 = 22,765.79/x
  3. Step 3: Cross multiply
    47,721.89x = 71,551.25 × 22,765.79
  4. Step 4: Simplify right side
    47,721.89x = 1,628,920,260.15
  5. Step 5: Solve for x
    x = 1,628,920,260.15/47,721.89
  6. Step 6: Final answer
    x = 34,133.61

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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.