Home / 39,200.76-58,917.78-18,438.84

Finding the Fourth Proportional to 39,200.76, 58,917.78 and 18,438.84

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Solution

The fourth proportional to 39,200.76, 58,917.78 and 18,438.84 is: 27,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.76 : 58,917.78 = 18,438.84 : x
  2. Step 2: Convert to fraction form
    39,200.76/58,917.78 = 18,438.84/x
  3. Step 3: Cross multiply
    39,200.76x = 58,917.78 × 18,438.84
  4. Step 4: Simplify right side
    39,200.76x = 1,086,375,518.58
  5. Step 5: Solve for x
    x = 1,086,375,518.58/39,200.76
  6. Step 6: Final answer
    x = 27,713.12

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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.