Home / 22,480.82-33,550.28-19,989.74

Finding the Fourth Proportional to 22,480.82, 33,550.28 and 19,989.74

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Solution

The fourth proportional to 22,480.82, 33,550.28 and 19,989.74 is: 29,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.82 : 33,550.28 = 19,989.74 : x
  2. Step 2: Convert to fraction form
    22,480.82/33,550.28 = 19,989.74/x
  3. Step 3: Cross multiply
    22,480.82x = 33,550.28 × 19,989.74
  4. Step 4: Simplify right side
    22,480.82x = 670,661,374.13
  5. Step 5: Solve for x
    x = 670,661,374.13/22,480.82
  6. Step 6: Final answer
    x = 29,832.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.