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Finding the Fourth Proportional to 29,697, 40,980.52 and 17,766.92

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Solution

The fourth proportional to 29,697, 40,980.52 and 17,766.92 is: 24,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697 : 40,980.52 = 17,766.92 : x
  2. Step 2: Convert to fraction form
    29,697/40,980.52 = 17,766.92/x
  3. Step 3: Cross multiply
    29,697x = 40,980.52 × 17,766.92
  4. Step 4: Simplify right side
    29,697x = 728,097,620.40
  5. Step 5: Solve for x
    x = 728,097,620.40/29,697
  6. Step 6: Final answer
    x = 24,517.55

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1.5x scale

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.