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Finding the Fourth Proportional to 44,786.74, 67,187.76 and 18,477.10

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Solution

The fourth proportional to 44,786.74, 67,187.76 and 18,477.10 is: 27,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,786.74 : 67,187.76 = 18,477.10 : x
  2. Step 2: Convert to fraction form
    44,786.74/67,187.76 = 18,477.10/x
  3. Step 3: Cross multiply
    44,786.74x = 67,187.76 × 18,477.10
  4. Step 4: Simplify right side
    44,786.74x = 1,241,434,960.30
  5. Step 5: Solve for x
    x = 1,241,434,960.30/44,786.74
  6. Step 6: Final answer
    x = 27,718.81

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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.