Home / 57,202.54-78,937.40-31,360.97

Finding the Fourth Proportional to 57,202.54, 78,937.40 and 31,360.97

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Solution

The fourth proportional to 57,202.54, 78,937.40 and 31,360.97 is: 43,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.54 : 78,937.40 = 31,360.97 : x
  2. Step 2: Convert to fraction form
    57,202.54/78,937.40 = 31,360.97/x
  3. Step 3: Cross multiply
    57,202.54x = 78,937.40 × 31,360.97
  4. Step 4: Simplify right side
    57,202.54x = 2,475,553,709.02
  5. Step 5: Solve for x
    x = 2,475,553,709.02/57,202.54
  6. Step 6: Final answer
    x = 43,276.99

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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.