Home / 57,764.20-86,603.10-31,498.60

Finding the Fourth Proportional to 57,764.20, 86,603.10 and 31,498.60

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Solution

The fourth proportional to 57,764.20, 86,603.10 and 31,498.60 is: 47,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,764.20 : 86,603.10 = 31,498.60 : x
  2. Step 2: Convert to fraction form
    57,764.20/86,603.10 = 31,498.60/x
  3. Step 3: Cross multiply
    57,764.20x = 86,603.10 × 31,498.60
  4. Step 4: Simplify right side
    57,764.20x = 2,727,876,405.66
  5. Step 5: Solve for x
    x = 2,727,876,405.66/57,764.20
  6. Step 6: Final answer
    x = 47,224.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.