Home / 37,191.51-51,324.10-20,195.61

Finding the Fourth Proportional to 37,191.51, 51,324.10 and 20,195.61

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Solution

The fourth proportional to 37,191.51, 51,324.10 and 20,195.61 is: 27,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.51 : 51,324.10 = 20,195.61 : x
  2. Step 2: Convert to fraction form
    37,191.51/51,324.10 = 20,195.61/x
  3. Step 3: Cross multiply
    37,191.51x = 51,324.10 × 20,195.61
  4. Step 4: Simplify right side
    37,191.51x = 1,036,521,507.20
  5. Step 5: Solve for x
    x = 1,036,521,507.20/37,191.51
  6. Step 6: Final answer
    x = 27,869.84

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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.