Home / 38,579.24-57,775.40-26,699.72

Finding the Fourth Proportional to 38,579.24, 57,775.40 and 26,699.72

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Solution

The fourth proportional to 38,579.24, 57,775.40 and 26,699.72 is: 39,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.24 : 57,775.40 = 26,699.72 : x
  2. Step 2: Convert to fraction form
    38,579.24/57,775.40 = 26,699.72/x
  3. Step 3: Cross multiply
    38,579.24x = 57,775.40 × 26,699.72
  4. Step 4: Simplify right side
    38,579.24x = 1,542,587,002.89
  5. Step 5: Solve for x
    x = 1,542,587,002.89/38,579.24
  6. Step 6: Final answer
    x = 39,984.90

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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.