Home / 39,115.75-58,669.47-11,035.06

Finding the Fourth Proportional to 39,115.75, 58,669.47 and 11,035.06

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Solution

The fourth proportional to 39,115.75, 58,669.47 and 11,035.06 is: 16,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.75 : 58,669.47 = 11,035.06 : x
  2. Step 2: Convert to fraction form
    39,115.75/58,669.47 = 11,035.06/x
  3. Step 3: Cross multiply
    39,115.75x = 58,669.47 × 11,035.06
  4. Step 4: Simplify right side
    39,115.75x = 647,421,121.62
  5. Step 5: Solve for x
    x = 647,421,121.62/39,115.75
  6. Step 6: Final answer
    x = 16,551.42

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1.5x scale

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.