Home / 39,491.44-59,209.20-19,755.84

Finding the Fourth Proportional to 39,491.44, 59,209.20 and 19,755.84

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Solution

The fourth proportional to 39,491.44, 59,209.20 and 19,755.84 is: 29,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.44 : 59,209.20 = 19,755.84 : x
  2. Step 2: Convert to fraction form
    39,491.44/59,209.20 = 19,755.84/x
  3. Step 3: Cross multiply
    39,491.44x = 59,209.20 × 19,755.84
  4. Step 4: Simplify right side
    39,491.44x = 1,169,727,481.73
  5. Step 5: Solve for x
    x = 1,169,727,481.73/39,491.44
  6. Step 6: Final answer
    x = 29,619.77

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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.