Home / 57,094.06-78,789.21-31,600.48

Finding the Fourth Proportional to 57,094.06, 78,789.21 and 31,600.48

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Solution

The fourth proportional to 57,094.06, 78,789.21 and 31,600.48 is: 43,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.06 : 78,789.21 = 31,600.48 : x
  2. Step 2: Convert to fraction form
    57,094.06/78,789.21 = 31,600.48/x
  3. Step 3: Cross multiply
    57,094.06x = 78,789.21 × 31,600.48
  4. Step 4: Simplify right side
    57,094.06x = 2,489,776,696.82
  5. Step 5: Solve for x
    x = 2,489,776,696.82/57,094.06
  6. Step 6: Final answer
    x = 43,608.33

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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.