Home / 37,821.14-52,200.17-21,905.58

Finding the Fourth Proportional to 37,821.14, 52,200.17 and 21,905.58

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Solution

The fourth proportional to 37,821.14, 52,200.17 and 21,905.58 is: 30,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.14 : 52,200.17 = 21,905.58 : x
  2. Step 2: Convert to fraction form
    37,821.14/52,200.17 = 21,905.58/x
  3. Step 3: Cross multiply
    37,821.14x = 52,200.17 × 21,905.58
  4. Step 4: Simplify right side
    37,821.14x = 1,143,474,890.42
  5. Step 5: Solve for x
    x = 1,143,474,890.42/37,821.14
  6. Step 6: Final answer
    x = 30,233.75

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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.