Home / 61,719.45-92,605.91-21,766.98

Finding the Fourth Proportional to 61,719.45, 92,605.91 and 21,766.98

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Solution

The fourth proportional to 61,719.45, 92,605.91 and 21,766.98 is: 32,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.45 : 92,605.91 = 21,766.98 : x
  2. Step 2: Convert to fraction form
    61,719.45/92,605.91 = 21,766.98/x
  3. Step 3: Cross multiply
    61,719.45x = 92,605.91 × 21,766.98
  4. Step 4: Simplify right side
    61,719.45x = 2,015,750,990.85
  5. Step 5: Solve for x
    x = 2,015,750,990.85/61,719.45
  6. Step 6: Final answer
    x = 32,659.90

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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.