Home / 37,821.38-52,193.50-21,910.95

Finding the Fourth Proportional to 37,821.38, 52,193.50 and 21,910.95

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Solution

The fourth proportional to 37,821.38, 52,193.50 and 21,910.95 is: 30,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.38 : 52,193.50 = 21,910.95 : x
  2. Step 2: Convert to fraction form
    37,821.38/52,193.50 = 21,910.95/x
  3. Step 3: Cross multiply
    37,821.38x = 52,193.50 × 21,910.95
  4. Step 4: Simplify right side
    37,821.38x = 1,143,609,114.05
  5. Step 5: Solve for x
    x = 1,143,609,114.05/37,821.38
  6. Step 6: Final answer
    x = 30,237.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.