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Finding the Fourth Proportional to 41,898.80, 62,774.40 and 22,133.84

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Solution

The fourth proportional to 41,898.80, 62,774.40 and 22,133.84 is: 33,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,898.80 : 62,774.40 = 22,133.84 : x
  2. Step 2: Convert to fraction form
    41,898.80/62,774.40 = 22,133.84/x
  3. Step 3: Cross multiply
    41,898.80x = 62,774.40 × 22,133.84
  4. Step 4: Simplify right side
    41,898.80x = 1,389,438,525.70
  5. Step 5: Solve for x
    x = 1,389,438,525.70/41,898.80
  6. Step 6: Final answer
    x = 33,161.77

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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.