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Finding the Fourth Proportional to 43,349.80, 65,011.74 and 22,561.96

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Solution

The fourth proportional to 43,349.80, 65,011.74 and 22,561.96 is: 33,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,349.80 : 65,011.74 = 22,561.96 : x
  2. Step 2: Convert to fraction form
    43,349.80/65,011.74 = 22,561.96/x
  3. Step 3: Cross multiply
    43,349.80x = 65,011.74 × 22,561.96
  4. Step 4: Simplify right side
    43,349.80x = 1,466,792,277.41
  5. Step 5: Solve for x
    x = 1,466,792,277.41/43,349.80
  6. Step 6: Final answer
    x = 33,836.19

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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.