Home / 33,015.75-45,561.81-18,868.56

Finding the Fourth Proportional to 33,015.75, 45,561.81 and 18,868.56

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Solution

The fourth proportional to 33,015.75, 45,561.81 and 18,868.56 is: 26,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.75 : 45,561.81 = 18,868.56 : x
  2. Step 2: Convert to fraction form
    33,015.75/45,561.81 = 18,868.56/x
  3. Step 3: Cross multiply
    33,015.75x = 45,561.81 × 18,868.56
  4. Step 4: Simplify right side
    33,015.75x = 859,685,745.69
  5. Step 5: Solve for x
    x = 859,685,745.69/33,015.75
  6. Step 6: Final answer
    x = 26,038.66

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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.