Home / 57,239.30-78,994.97-31,753.89

Finding the Fourth Proportional to 57,239.30, 78,994.97 and 31,753.89

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Solution

The fourth proportional to 57,239.30, 78,994.97 and 31,753.89 is: 43,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.30 : 78,994.97 = 31,753.89 : x
  2. Step 2: Convert to fraction form
    57,239.30/78,994.97 = 31,753.89/x
  3. Step 3: Cross multiply
    57,239.30x = 78,994.97 × 31,753.89
  4. Step 4: Simplify right side
    57,239.30x = 2,508,397,587.93
  5. Step 5: Solve for x
    x = 2,508,397,587.93/57,239.30
  6. Step 6: Final answer
    x = 43,823.00

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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.