Home / 41,871.28-57,782.40-22,751.20

Finding the Fourth Proportional to 41,871.28, 57,782.40 and 22,751.20

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Solution

The fourth proportional to 41,871.28, 57,782.40 and 22,751.20 is: 31,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,871.28 : 57,782.40 = 22,751.20 : x
  2. Step 2: Convert to fraction form
    41,871.28/57,782.40 = 22,751.20/x
  3. Step 3: Cross multiply
    41,871.28x = 57,782.40 × 22,751.20
  4. Step 4: Simplify right side
    41,871.28x = 1,314,618,938.88
  5. Step 5: Solve for x
    x = 1,314,618,938.88/41,871.28
  6. Step 6: Final answer
    x = 31,396.67

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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.