Home / 37,286.48-51,443.74-21,151.12

Finding the Fourth Proportional to 37,286.48, 51,443.74 and 21,151.12

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Solution

The fourth proportional to 37,286.48, 51,443.74 and 21,151.12 is: 29,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.48 : 51,443.74 = 21,151.12 : x
  2. Step 2: Convert to fraction form
    37,286.48/51,443.74 = 21,151.12/x
  3. Step 3: Cross multiply
    37,286.48x = 51,443.74 × 21,151.12
  4. Step 4: Simplify right side
    37,286.48x = 1,088,092,665.11
  5. Step 5: Solve for x
    x = 1,088,092,665.11/37,286.48
  6. Step 6: Final answer
    x = 29,181.96

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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.