Home / 40,741.63-61,139.55-16,745.61

Finding the Fourth Proportional to 40,741.63, 61,139.55 and 16,745.61

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Solution

The fourth proportional to 40,741.63, 61,139.55 and 16,745.61 is: 25,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,741.63 : 61,139.55 = 16,745.61 : x
  2. Step 2: Convert to fraction form
    40,741.63/61,139.55 = 16,745.61/x
  3. Step 3: Cross multiply
    40,741.63x = 61,139.55 × 16,745.61
  4. Step 4: Simplify right side
    40,741.63x = 1,023,819,059.88
  5. Step 5: Solve for x
    x = 1,023,819,059.88/40,741.63
  6. Step 6: Final answer
    x = 25,129.56

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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.