Home / 39,134.72-58,648.96-18,028.32

Finding the Fourth Proportional to 39,134.72, 58,648.96 and 18,028.32

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Solution

The fourth proportional to 39,134.72, 58,648.96 and 18,028.32 is: 27,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.72 : 58,648.96 = 18,028.32 : x
  2. Step 2: Convert to fraction form
    39,134.72/58,648.96 = 18,028.32/x
  3. Step 3: Cross multiply
    39,134.72x = 58,648.96 × 18,028.32
  4. Step 4: Simplify right side
    39,134.72x = 1,057,342,218.55
  5. Step 5: Solve for x
    x = 1,057,342,218.55/39,134.72
  6. Step 6: Final answer
    x = 27,018.01

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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.