Home / 41,128.11-61,682.58-11,548.80

Finding the Fourth Proportional to 41,128.11, 61,682.58 and 11,548.80

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Solution

The fourth proportional to 41,128.11, 61,682.58 and 11,548.80 is: 17,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.11 : 61,682.58 = 11,548.80 : x
  2. Step 2: Convert to fraction form
    41,128.11/61,682.58 = 11,548.80/x
  3. Step 3: Cross multiply
    41,128.11x = 61,682.58 × 11,548.80
  4. Step 4: Simplify right side
    41,128.11x = 712,359,779.90
  5. Step 5: Solve for x
    x = 712,359,779.90/41,128.11
  6. Step 6: Final answer
    x = 17,320.51

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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.