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Finding the Fourth Proportional to 44,804.43, 67,216.64 and 13,642.11

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Solution

The fourth proportional to 44,804.43, 67,216.64 and 13,642.11 is: 20,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,804.43 : 67,216.64 = 13,642.11 : x
  2. Step 2: Convert to fraction form
    44,804.43/67,216.64 = 13,642.11/x
  3. Step 3: Cross multiply
    44,804.43x = 67,216.64 × 13,642.11
  4. Step 4: Simplify right side
    44,804.43x = 916,976,728.50
  5. Step 5: Solve for x
    x = 916,976,728.50/44,804.43
  6. Step 6: Final answer
    x = 20,466.21

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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.