Home / 47,619.87-71,444.61-19,542.21

Finding the Fourth Proportional to 47,619.87, 71,444.61 and 19,542.21

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Solution

The fourth proportional to 47,619.87, 71,444.61 and 19,542.21 is: 29,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.87 : 71,444.61 = 19,542.21 : x
  2. Step 2: Convert to fraction form
    47,619.87/71,444.61 = 19,542.21/x
  3. Step 3: Cross multiply
    47,619.87x = 71,444.61 × 19,542.21
  4. Step 4: Simplify right side
    47,619.87x = 1,396,185,571.99
  5. Step 5: Solve for x
    x = 1,396,185,571.99/47,619.87
  6. Step 6: Final answer
    x = 29,319.39

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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.