Home / 33,340.14-45,935.55-21,989.61

Finding the Fourth Proportional to 33,340.14, 45,935.55 and 21,989.61

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Solution

The fourth proportional to 33,340.14, 45,935.55 and 21,989.61 is: 30,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340.14 : 45,935.55 = 21,989.61 : x
  2. Step 2: Convert to fraction form
    33,340.14/45,935.55 = 21,989.61/x
  3. Step 3: Cross multiply
    33,340.14x = 45,935.55 × 21,989.61
  4. Step 4: Simplify right side
    33,340.14x = 1,010,104,829.64
  5. Step 5: Solve for x
    x = 1,010,104,829.64/33,340.14
  6. Step 6: Final answer
    x = 30,296.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.