Home / 37,117.41-51,222.16-20,121.68

Finding the Fourth Proportional to 37,117.41, 51,222.16 and 20,121.68

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Solution

The fourth proportional to 37,117.41, 51,222.16 and 20,121.68 is: 27,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.41 : 51,222.16 = 20,121.68 : x
  2. Step 2: Convert to fraction form
    37,117.41/51,222.16 = 20,121.68/x
  3. Step 3: Cross multiply
    37,117.41x = 51,222.16 × 20,121.68
  4. Step 4: Simplify right side
    37,117.41x = 1,030,675,912.43
  5. Step 5: Solve for x
    x = 1,030,675,912.43/37,117.41
  6. Step 6: Final answer
    x = 27,767.99

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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.