Home / 33,240.12-45,876.12-21,907.68

Finding the Fourth Proportional to 33,240.12, 45,876.12 and 21,907.68

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Solution

The fourth proportional to 33,240.12, 45,876.12 and 21,907.68 is: 30,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.12 : 45,876.12 = 21,907.68 : x
  2. Step 2: Convert to fraction form
    33,240.12/45,876.12 = 21,907.68/x
  3. Step 3: Cross multiply
    33,240.12x = 45,876.12 × 21,907.68
  4. Step 4: Simplify right side
    33,240.12x = 1,005,039,356.60
  5. Step 5: Solve for x
    x = 1,005,039,356.60/33,240.12
  6. Step 6: Final answer
    x = 30,235.73

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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.