Home / 37,167.91-51,291.28-20,172.18

Finding the Fourth Proportional to 37,167.91, 51,291.28 and 20,172.18

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Solution

The fourth proportional to 37,167.91, 51,291.28 and 20,172.18 is: 27,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,167.91 : 51,291.28 = 20,172.18 : x
  2. Step 2: Convert to fraction form
    37,167.91/51,291.28 = 20,172.18/x
  3. Step 3: Cross multiply
    37,167.91x = 51,291.28 × 20,172.18
  4. Step 4: Simplify right side
    37,167.91x = 1,034,656,882.16
  5. Step 5: Solve for x
    x = 1,034,656,882.16/37,167.91
  6. Step 6: Final answer
    x = 27,837.37

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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.