Home / 33,395.21-50,111.25-18,612.45

Finding the Fourth Proportional to 33,395.21, 50,111.25 and 18,612.45

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Solution

The fourth proportional to 33,395.21, 50,111.25 and 18,612.45 is: 27,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,395.21 : 50,111.25 = 18,612.45 : x
  2. Step 2: Convert to fraction form
    33,395.21/50,111.25 = 18,612.45/x
  3. Step 3: Cross multiply
    33,395.21x = 50,111.25 × 18,612.45
  4. Step 4: Simplify right side
    33,395.21x = 932,693,135.06
  5. Step 5: Solve for x
    x = 932,693,135.06/33,395.21
  6. Step 6: Final answer
    x = 27,928.95

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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.