Home / 61,786.76-85,265.31-34,929.23

Finding the Fourth Proportional to 61,786.76, 85,265.31 and 34,929.23

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Solution

The fourth proportional to 61,786.76, 85,265.31 and 34,929.23 is: 48,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.76 : 85,265.31 = 34,929.23 : x
  2. Step 2: Convert to fraction form
    61,786.76/85,265.31 = 34,929.23/x
  3. Step 3: Cross multiply
    61,786.76x = 85,265.31 × 34,929.23
  4. Step 4: Simplify right side
    61,786.76x = 2,978,251,410.85
  5. Step 5: Solve for x
    x = 2,978,251,410.85/61,786.76
  6. Step 6: Final answer
    x = 48,202.10

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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.