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Finding the Fourth Proportional to 65,019.08, 89,723.22 and 36,728.84

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Solution

The fourth proportional to 65,019.08, 89,723.22 and 36,728.84 is: 50,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,019.08 : 89,723.22 = 36,728.84 : x
  2. Step 2: Convert to fraction form
    65,019.08/89,723.22 = 36,728.84/x
  3. Step 3: Cross multiply
    65,019.08x = 89,723.22 × 36,728.84
  4. Step 4: Simplify right side
    65,019.08x = 3,295,429,791.66
  5. Step 5: Solve for x
    x = 3,295,429,791.66/65,019.08
  6. Step 6: Final answer
    x = 50,684.04

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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.