Home / 38,515.70-53,122.34-33,147.08

Finding the Fourth Proportional to 38,515.70, 53,122.34 and 33,147.08

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Solution

The fourth proportional to 38,515.70, 53,122.34 and 33,147.08 is: 45,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,515.70 : 53,122.34 = 33,147.08 : x
  2. Step 2: Convert to fraction form
    38,515.70/53,122.34 = 33,147.08/x
  3. Step 3: Cross multiply
    38,515.70x = 53,122.34 × 33,147.08
  4. Step 4: Simplify right side
    38,515.70x = 1,760,850,453.77
  5. Step 5: Solve for x
    x = 1,760,850,453.77/38,515.70
  6. Step 6: Final answer
    x = 45,717.73

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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.