Home / 40,826.90-61,224.60-15,863.66

Finding the Fourth Proportional to 40,826.90, 61,224.60 and 15,863.66

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Solution

The fourth proportional to 40,826.90, 61,224.60 and 15,863.66 is: 23,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,826.90 : 61,224.60 = 15,863.66 : x
  2. Step 2: Convert to fraction form
    40,826.90/61,224.60 = 15,863.66/x
  3. Step 3: Cross multiply
    40,826.90x = 61,224.60 × 15,863.66
  4. Step 4: Simplify right side
    40,826.90x = 971,246,238.04
  5. Step 5: Solve for x
    x = 971,246,238.04/40,826.90
  6. Step 6: Final answer
    x = 23,789.37

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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.