Home / 48,517.08-72,775.62-13,456.74

Finding the Fourth Proportional to 48,517.08, 72,775.62 and 13,456.74

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Solution

The fourth proportional to 48,517.08, 72,775.62 and 13,456.74 is: 20,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,517.08 : 72,775.62 = 13,456.74 : x
  2. Step 2: Convert to fraction form
    48,517.08/72,775.62 = 13,456.74/x
  3. Step 3: Cross multiply
    48,517.08x = 72,775.62 × 13,456.74
  4. Step 4: Simplify right side
    48,517.08x = 979,322,596.68
  5. Step 5: Solve for x
    x = 979,322,596.68/48,517.08
  6. Step 6: Final answer
    x = 20,185.11

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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.