Home / 33,086.10-45,661.13-18,745.81

Finding the Fourth Proportional to 33,086.10, 45,661.13 and 18,745.81

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Solution

The fourth proportional to 33,086.10, 45,661.13 and 18,745.81 is: 25,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,086.10 : 45,661.13 = 18,745.81 : x
  2. Step 2: Convert to fraction form
    33,086.10/45,661.13 = 18,745.81/x
  3. Step 3: Cross multiply
    33,086.10x = 45,661.13 × 18,745.81
  4. Step 4: Simplify right side
    33,086.10x = 855,954,867.37
  5. Step 5: Solve for x
    x = 855,954,867.37/33,086.10
  6. Step 6: Final answer
    x = 25,870.53

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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.