Home / 37,147.51-51,263.13-20,151.43

Finding the Fourth Proportional to 37,147.51, 51,263.13 and 20,151.43

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Solution

The fourth proportional to 37,147.51, 51,263.13 and 20,151.43 is: 27,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.51 : 51,263.13 = 20,151.43 : x
  2. Step 2: Convert to fraction form
    37,147.51/51,263.13 = 20,151.43/x
  3. Step 3: Cross multiply
    37,147.51x = 51,263.13 × 20,151.43
  4. Step 4: Simplify right side
    37,147.51x = 1,033,025,375.78
  5. Step 5: Solve for x
    x = 1,033,025,375.78/37,147.51
  6. Step 6: Final answer
    x = 27,808.74

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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.