Home / 41,216.21-61,830.75-13,142.56

Finding the Fourth Proportional to 41,216.21, 61,830.75 and 13,142.56

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Solution

The fourth proportional to 41,216.21, 61,830.75 and 13,142.56 is: 19,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.21 : 61,830.75 = 13,142.56 : x
  2. Step 2: Convert to fraction form
    41,216.21/61,830.75 = 13,142.56/x
  3. Step 3: Cross multiply
    41,216.21x = 61,830.75 × 13,142.56
  4. Step 4: Simplify right side
    41,216.21x = 812,614,032.57
  5. Step 5: Solve for x
    x = 812,614,032.57/41,216.21
  6. Step 6: Final answer
    x = 19,715.88

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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.