Home / 47,979-71,974.44-16,392.24

Finding the Fourth Proportional to 47,979, 71,974.44 and 16,392.24

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Solution

The fourth proportional to 47,979, 71,974.44 and 16,392.24 is: 24,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979 : 71,974.44 = 16,392.24 : x
  2. Step 2: Convert to fraction form
    47,979/71,974.44 = 16,392.24/x
  3. Step 3: Cross multiply
    47,979x = 71,974.44 × 16,392.24
  4. Step 4: Simplify right side
    47,979x = 1,179,822,294.35
  5. Step 5: Solve for x
    x = 1,179,822,294.35/47,979
  6. Step 6: Final answer
    x = 24,590.39

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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.