Home / 57,229.75-78,960.60-33,028.77

Finding the Fourth Proportional to 57,229.75, 78,960.60 and 33,028.77

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Solution

The fourth proportional to 57,229.75, 78,960.60 and 33,028.77 is: 45,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,229.75 : 78,960.60 = 33,028.77 : x
  2. Step 2: Convert to fraction form
    57,229.75/78,960.60 = 33,028.77/x
  3. Step 3: Cross multiply
    57,229.75x = 78,960.60 × 33,028.77
  4. Step 4: Simplify right side
    57,229.75x = 2,607,971,792.56
  5. Step 5: Solve for x
    x = 2,607,971,792.56/57,229.75
  6. Step 6: Final answer
    x = 45,570.21

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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.