Home / 57,189.41-85,795.57-19,750.85

Finding the Fourth Proportional to 57,189.41, 85,795.57 and 19,750.85

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Solution

The fourth proportional to 57,189.41, 85,795.57 and 19,750.85 is: 29,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189.41 : 85,795.57 = 19,750.85 : x
  2. Step 2: Convert to fraction form
    57,189.41/85,795.57 = 19,750.85/x
  3. Step 3: Cross multiply
    57,189.41x = 85,795.57 × 19,750.85
  4. Step 4: Simplify right side
    57,189.41x = 1,694,535,334.98
  5. Step 5: Solve for x
    x = 1,694,535,334.98/57,189.41
  6. Step 6: Final answer
    x = 29,630.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.