Home / 40,440.06-60,662.67-12,361.11

Finding the Fourth Proportional to 40,440.06, 60,662.67 and 12,361.11

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Solution

The fourth proportional to 40,440.06, 60,662.67 and 12,361.11 is: 18,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440.06 : 60,662.67 = 12,361.11 : x
  2. Step 2: Convert to fraction form
    40,440.06/60,662.67 = 12,361.11/x
  3. Step 3: Cross multiply
    40,440.06x = 60,662.67 × 12,361.11
  4. Step 4: Simplify right side
    40,440.06x = 749,857,732.46
  5. Step 5: Solve for x
    x = 749,857,732.46/40,440.06
  6. Step 6: Final answer
    x = 18,542.45

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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.