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Finding the Fourth Proportional to 43,630.57, 65,449.15 and 16,965.10

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Solution

The fourth proportional to 43,630.57, 65,449.15 and 16,965.10 is: 25,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.57 : 65,449.15 = 16,965.10 : x
  2. Step 2: Convert to fraction form
    43,630.57/65,449.15 = 16,965.10/x
  3. Step 3: Cross multiply
    43,630.57x = 65,449.15 × 16,965.10
  4. Step 4: Simplify right side
    43,630.57x = 1,110,351,045.91
  5. Step 5: Solve for x
    x = 1,110,351,045.91/43,630.57
  6. Step 6: Final answer
    x = 25,448.93

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1.5x scale

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.