Home / 57,761.82-86,586.33-28,178.46

Finding the Fourth Proportional to 57,761.82, 86,586.33 and 28,178.46

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Solution

The fourth proportional to 57,761.82, 86,586.33 and 28,178.46 is: 42,240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,761.82 : 86,586.33 = 28,178.46 : x
  2. Step 2: Convert to fraction form
    57,761.82/86,586.33 = 28,178.46/x
  3. Step 3: Cross multiply
    57,761.82x = 86,586.33 × 28,178.46
  4. Step 4: Simplify right side
    57,761.82x = 2,439,869,436.45
  5. Step 5: Solve for x
    x = 2,439,869,436.45/57,761.82
  6. Step 6: Final answer
    x = 42,240.18

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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.