Home / 33,165.75-45,768.78-18,261.75

Finding the Fourth Proportional to 33,165.75, 45,768.78 and 18,261.75

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Solution

The fourth proportional to 33,165.75, 45,768.78 and 18,261.75 is: 25,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.75 : 45,768.78 = 18,261.75 : x
  2. Step 2: Convert to fraction form
    33,165.75/45,768.78 = 18,261.75/x
  3. Step 3: Cross multiply
    33,165.75x = 45,768.78 × 18,261.75
  4. Step 4: Simplify right side
    33,165.75x = 835,818,018.17
  5. Step 5: Solve for x
    x = 835,818,018.17/33,165.75
  6. Step 6: Final answer
    x = 25,201.24

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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.