Home / 39,134.56-58,610.54-28,578.44

Finding the Fourth Proportional to 39,134.56, 58,610.54 and 28,578.44

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Solution

The fourth proportional to 39,134.56, 58,610.54 and 28,578.44 is: 42,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.56 : 58,610.54 = 28,578.44 : x
  2. Step 2: Convert to fraction form
    39,134.56/58,610.54 = 28,578.44/x
  3. Step 3: Cross multiply
    39,134.56x = 58,610.54 × 28,578.44
  4. Step 4: Simplify right side
    39,134.56x = 1,674,997,579.15
  5. Step 5: Solve for x
    x = 1,674,997,579.15/39,134.56
  6. Step 6: Final answer
    x = 42,800.98

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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.