Home / 47,979.09-71,976.84-16,387.42

Finding the Fourth Proportional to 47,979.09, 71,976.84 and 16,387.42

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Solution

The fourth proportional to 47,979.09, 71,976.84 and 16,387.42 is: 24,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.09 : 71,976.84 = 16,387.42 : x
  2. Step 2: Convert to fraction form
    47,979.09/71,976.84 = 16,387.42/x
  3. Step 3: Cross multiply
    47,979.09x = 71,976.84 × 16,387.42
  4. Step 4: Simplify right side
    47,979.09x = 1,179,514,445.47
  5. Step 5: Solve for x
    x = 1,179,514,445.47/47,979.09
  6. Step 6: Final answer
    x = 24,583.93

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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.