Home / 37,212.11-51,357.14-21,301.68

Finding the Fourth Proportional to 37,212.11, 51,357.14 and 21,301.68

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Solution

The fourth proportional to 37,212.11, 51,357.14 and 21,301.68 is: 29,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.11 : 51,357.14 = 21,301.68 : x
  2. Step 2: Convert to fraction form
    37,212.11/51,357.14 = 21,301.68/x
  3. Step 3: Cross multiply
    37,212.11x = 51,357.14 × 21,301.68
  4. Step 4: Simplify right side
    37,212.11x = 1,093,993,527.96
  5. Step 5: Solve for x
    x = 1,093,993,527.96/37,212.11
  6. Step 6: Final answer
    x = 29,398.86

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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.