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Finding the Fourth Proportional to 40,659.95, 60,989.92 and 11,077.94

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Solution

The fourth proportional to 40,659.95, 60,989.92 and 11,077.94 is: 16,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,659.95 : 60,989.92 = 11,077.94 : x
  2. Step 2: Convert to fraction form
    40,659.95/60,989.92 = 11,077.94/x
  3. Step 3: Cross multiply
    40,659.95x = 60,989.92 × 11,077.94
  4. Step 4: Simplify right side
    40,659.95x = 675,642,369.42
  5. Step 5: Solve for x
    x = 675,642,369.42/40,659.95
  6. Step 6: Final answer
    x = 16,616.90

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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.