Home / 38,571.72-57,890.46-15,214.56

Finding the Fourth Proportional to 38,571.72, 57,890.46 and 15,214.56

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Solution

The fourth proportional to 38,571.72, 57,890.46 and 15,214.56 is: 22,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.72 : 57,890.46 = 15,214.56 : x
  2. Step 2: Convert to fraction form
    38,571.72/57,890.46 = 15,214.56/x
  3. Step 3: Cross multiply
    38,571.72x = 57,890.46 × 15,214.56
  4. Step 4: Simplify right side
    38,571.72x = 880,777,801.02
  5. Step 5: Solve for x
    x = 880,777,801.02/38,571.72
  6. Step 6: Final answer
    x = 22,834.81

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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.