Home / 47,382.22-71,011.84-19,269.55

Finding the Fourth Proportional to 47,382.22, 71,011.84 and 19,269.55

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Solution

The fourth proportional to 47,382.22, 71,011.84 and 19,269.55 is: 28,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382.22 : 71,011.84 = 19,269.55 : x
  2. Step 2: Convert to fraction form
    47,382.22/71,011.84 = 19,269.55/x
  3. Step 3: Cross multiply
    47,382.22x = 71,011.84 × 19,269.55
  4. Step 4: Simplify right side
    47,382.22x = 1,368,365,878.75
  5. Step 5: Solve for x
    x = 1,368,365,878.75/47,382.22
  6. Step 6: Final answer
    x = 28,879.31

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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.