Home / 62,851.20-86,734.64-34,558.72

Finding the Fourth Proportional to 62,851.20, 86,734.64 and 34,558.72

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Solution

The fourth proportional to 62,851.20, 86,734.64 and 34,558.72 is: 47,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,851.20 : 86,734.64 = 34,558.72 : x
  2. Step 2: Convert to fraction form
    62,851.20/86,734.64 = 34,558.72/x
  3. Step 3: Cross multiply
    62,851.20x = 86,734.64 × 34,558.72
  4. Step 4: Simplify right side
    62,851.20x = 2,997,438,138.06
  5. Step 5: Solve for x
    x = 2,997,438,138.06/62,851.20
  6. Step 6: Final answer
    x = 47,691.02

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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.