Home / 61,234.20-91,851.30-21,835.80

Finding the Fourth Proportional to 61,234.20, 91,851.30 and 21,835.80

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Solution

The fourth proportional to 61,234.20, 91,851.30 and 21,835.80 is: 32,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.20 : 91,851.30 = 21,835.80 : x
  2. Step 2: Convert to fraction form
    61,234.20/91,851.30 = 21,835.80/x
  3. Step 3: Cross multiply
    61,234.20x = 91,851.30 × 21,835.80
  4. Step 4: Simplify right side
    61,234.20x = 2,005,646,616.54
  5. Step 5: Solve for x
    x = 2,005,646,616.54/61,234.20
  6. Step 6: Final answer
    x = 32,753.70

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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.