Home / 37,186.31-51,316.83-20,190.23

Finding the Fourth Proportional to 37,186.31, 51,316.83 and 20,190.23

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Solution

The fourth proportional to 37,186.31, 51,316.83 and 20,190.23 is: 27,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.31 : 51,316.83 = 20,190.23 : x
  2. Step 2: Convert to fraction form
    37,186.31/51,316.83 = 20,190.23/x
  3. Step 3: Cross multiply
    37,186.31x = 51,316.83 × 20,190.23
  4. Step 4: Simplify right side
    37,186.31x = 1,036,098,343.99
  5. Step 5: Solve for x
    x = 1,036,098,343.99/37,186.31
  6. Step 6: Final answer
    x = 27,862.36

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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.