Home / 39,135.72-58,650.46-18,029.32

Finding the Fourth Proportional to 39,135.72, 58,650.46 and 18,029.32

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Solution

The fourth proportional to 39,135.72, 58,650.46 and 18,029.32 is: 27,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.72 : 58,650.46 = 18,029.32 : x
  2. Step 2: Convert to fraction form
    39,135.72/58,650.46 = 18,029.32/x
  3. Step 3: Cross multiply
    39,135.72x = 58,650.46 × 18,029.32
  4. Step 4: Simplify right side
    39,135.72x = 1,057,427,911.49
  5. Step 5: Solve for x
    x = 1,057,427,911.49/39,135.72
  6. Step 6: Final answer
    x = 27,019.51

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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.