Home / 33,500.78-46,216.33-20,750.57

Finding the Fourth Proportional to 33,500.78, 46,216.33 and 20,750.57

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Solution

The fourth proportional to 33,500.78, 46,216.33 and 20,750.57 is: 28,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,500.78 : 46,216.33 = 20,750.57 : x
  2. Step 2: Convert to fraction form
    33,500.78/46,216.33 = 20,750.57/x
  3. Step 3: Cross multiply
    33,500.78x = 46,216.33 × 20,750.57
  4. Step 4: Simplify right side
    33,500.78x = 959,015,190.81
  5. Step 5: Solve for x
    x = 959,015,190.81/33,500.78
  6. Step 6: Final answer
    x = 28,626.65

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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.