Home / 86,481.04-129,665.66-33,895.84

Finding the Fourth Proportional to 86,481.04, 129,665.66 and 33,895.84

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Solution

The fourth proportional to 86,481.04, 129,665.66 and 33,895.84 is: 50,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.04 : 129,665.66 = 33,895.84 : x
  2. Step 2: Convert to fraction form
    86,481.04/129,665.66 = 33,895.84/x
  3. Step 3: Cross multiply
    86,481.04x = 129,665.66 × 33,895.84
  4. Step 4: Simplify right side
    86,481.04x = 4,395,125,971.21
  5. Step 5: Solve for x
    x = 4,395,125,971.21/86,481.04
  6. Step 6: Final answer
    x = 50,821.85

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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.