Home / 57,217.02-78,959.48-31,723.31

Finding the Fourth Proportional to 57,217.02, 78,959.48 and 31,723.31

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Solution

The fourth proportional to 57,217.02, 78,959.48 and 31,723.31 is: 43,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.02 : 78,959.48 = 31,723.31 : x
  2. Step 2: Convert to fraction form
    57,217.02/78,959.48 = 31,723.31/x
  3. Step 3: Cross multiply
    57,217.02x = 78,959.48 × 31,723.31
  4. Step 4: Simplify right side
    57,217.02x = 2,504,855,508.06
  5. Step 5: Solve for x
    x = 2,504,855,508.06/57,217.02
  6. Step 6: Final answer
    x = 43,778.15

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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.