Home / 81,647.04-122,456.16-22,468.32

Finding the Fourth Proportional to 81,647.04, 122,456.16 and 22,468.32

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Solution

The fourth proportional to 81,647.04, 122,456.16 and 22,468.32 is: 33,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,647.04 : 122,456.16 = 22,468.32 : x
  2. Step 2: Convert to fraction form
    81,647.04/122,456.16 = 22,468.32/x
  3. Step 3: Cross multiply
    81,647.04x = 122,456.16 × 22,468.32
  4. Step 4: Simplify right side
    81,647.04x = 2,751,384,188.85
  5. Step 5: Solve for x
    x = 2,751,384,188.85/81,647.04
  6. Step 6: Final answer
    x = 33,698.52

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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.