Home / 57,238.30-78,993.59-31,752.89

Finding the Fourth Proportional to 57,238.30, 78,993.59 and 31,752.89

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Solution

The fourth proportional to 57,238.30, 78,993.59 and 31,752.89 is: 43,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.30 : 78,993.59 = 31,752.89 : x
  2. Step 2: Convert to fraction form
    57,238.30/78,993.59 = 31,752.89/x
  3. Step 3: Cross multiply
    57,238.30x = 78,993.59 × 31,752.89
  4. Step 4: Simplify right side
    57,238.30x = 2,508,274,516.47
  5. Step 5: Solve for x
    x = 2,508,274,516.47/57,238.30
  6. Step 6: Final answer
    x = 43,821.61

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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.