Home / 38,194.17-57,291.03-20,774.72

Finding the Fourth Proportional to 38,194.17, 57,291.03 and 20,774.72

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Solution

The fourth proportional to 38,194.17, 57,291.03 and 20,774.72 is: 31,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,194.17 : 57,291.03 = 20,774.72 : x
  2. Step 2: Convert to fraction form
    38,194.17/57,291.03 = 20,774.72/x
  3. Step 3: Cross multiply
    38,194.17x = 57,291.03 × 20,774.72
  4. Step 4: Simplify right side
    38,194.17x = 1,190,204,820.31
  5. Step 5: Solve for x
    x = 1,190,204,820.31/38,194.17
  6. Step 6: Final answer
    x = 31,161.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.