Home / 57,138.53-78,855.65-32,947.27

Finding the Fourth Proportional to 57,138.53, 78,855.65 and 32,947.27

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Solution

The fourth proportional to 57,138.53, 78,855.65 and 32,947.27 is: 45,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,138.53 : 78,855.65 = 32,947.27 : x
  2. Step 2: Convert to fraction form
    57,138.53/78,855.65 = 32,947.27/x
  3. Step 3: Cross multiply
    57,138.53x = 78,855.65 × 32,947.27
  4. Step 4: Simplify right side
    57,138.53x = 2,598,078,391.58
  5. Step 5: Solve for x
    x = 2,598,078,391.58/57,138.53
  6. Step 6: Final answer
    x = 45,469.82

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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.