Home / 33,180.21-45,787.77-18,839.16

Finding the Fourth Proportional to 33,180.21, 45,787.77 and 18,839.16

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Solution

The fourth proportional to 33,180.21, 45,787.77 and 18,839.16 is: 25,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.21 : 45,787.77 = 18,839.16 : x
  2. Step 2: Convert to fraction form
    33,180.21/45,787.77 = 18,839.16/x
  3. Step 3: Cross multiply
    33,180.21x = 45,787.77 × 18,839.16
  4. Step 4: Simplify right side
    33,180.21x = 862,603,125.07
  5. Step 5: Solve for x
    x = 862,603,125.07/33,180.21
  6. Step 6: Final answer
    x = 25,997.52

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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.