Home / 52,721.46-72,757.44-30,063.87

Finding the Fourth Proportional to 52,721.46, 72,757.44 and 30,063.87

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Solution

The fourth proportional to 52,721.46, 72,757.44 and 30,063.87 is: 41,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.46 : 72,757.44 = 30,063.87 : x
  2. Step 2: Convert to fraction form
    52,721.46/72,757.44 = 30,063.87/x
  3. Step 3: Cross multiply
    52,721.46x = 72,757.44 × 30,063.87
  4. Step 4: Simplify right side
    52,721.46x = 2,187,370,217.69
  5. Step 5: Solve for x
    x = 2,187,370,217.69/52,721.46
  6. Step 6: Final answer
    x = 41,489.18

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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.