Home / 39,206.72-58,768.96-19,188.61

Finding the Fourth Proportional to 39,206.72, 58,768.96 and 19,188.61

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Solution

The fourth proportional to 39,206.72, 58,768.96 and 19,188.61 is: 28,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.72 : 58,768.96 = 19,188.61 : x
  2. Step 2: Convert to fraction form
    39,206.72/58,768.96 = 19,188.61/x
  3. Step 3: Cross multiply
    39,206.72x = 58,768.96 × 19,188.61
  4. Step 4: Simplify right side
    39,206.72x = 1,127,694,617.75
  5. Step 5: Solve for x
    x = 1,127,694,617.75/39,206.72
  6. Step 6: Final answer
    x = 28,762.79

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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.