Home / 38,174.88-57,282.72-28,750.08

Finding the Fourth Proportional to 38,174.88, 57,282.72 and 28,750.08

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Solution

The fourth proportional to 38,174.88, 57,282.72 and 28,750.08 is: 43,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.88 : 57,282.72 = 28,750.08 : x
  2. Step 2: Convert to fraction form
    38,174.88/57,282.72 = 28,750.08/x
  3. Step 3: Cross multiply
    38,174.88x = 57,282.72 × 28,750.08
  4. Step 4: Simplify right side
    38,174.88x = 1,646,882,782.62
  5. Step 5: Solve for x
    x = 1,646,882,782.62/38,174.88
  6. Step 6: Final answer
    x = 43,140.48

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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.