Home / 39,390.90-58,992.39-22,716.06

Finding the Fourth Proportional to 39,390.90, 58,992.39 and 22,716.06

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Solution

The fourth proportional to 39,390.90, 58,992.39 and 22,716.06 is: 34,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.90 : 58,992.39 = 22,716.06 : x
  2. Step 2: Convert to fraction form
    39,390.90/58,992.39 = 22,716.06/x
  3. Step 3: Cross multiply
    39,390.90x = 58,992.39 × 22,716.06
  4. Step 4: Simplify right side
    39,390.90x = 1,340,074,670.78
  5. Step 5: Solve for x
    x = 1,340,074,670.78/39,390.90
  6. Step 6: Final answer
    x = 34,019.90

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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.