Home / 48,000.82-72,016.44-19,934.32

Finding the Fourth Proportional to 48,000.82, 72,016.44 and 19,934.32

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Solution

The fourth proportional to 48,000.82, 72,016.44 and 19,934.32 is: 29,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.82 : 72,016.44 = 19,934.32 : x
  2. Step 2: Convert to fraction form
    48,000.82/72,016.44 = 19,934.32/x
  3. Step 3: Cross multiply
    48,000.82x = 72,016.44 × 19,934.32
  4. Step 4: Simplify right side
    48,000.82x = 1,435,598,760.22
  5. Step 5: Solve for x
    x = 1,435,598,760.22/48,000.82
  6. Step 6: Final answer
    x = 29,907.80

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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.