Home / 37,276.38-51,441.21-21,360.42

Finding the Fourth Proportional to 37,276.38, 51,441.21 and 21,360.42

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Solution

The fourth proportional to 37,276.38, 51,441.21 and 21,360.42 is: 29,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276.38 : 51,441.21 = 21,360.42 : x
  2. Step 2: Convert to fraction form
    37,276.38/51,441.21 = 21,360.42/x
  3. Step 3: Cross multiply
    37,276.38x = 51,441.21 × 21,360.42
  4. Step 4: Simplify right side
    37,276.38x = 1,098,805,850.91
  5. Step 5: Solve for x
    x = 1,098,805,850.91/37,276.38
  6. Step 6: Final answer
    x = 29,477.27

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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.