Home / 40,913.60-61,370.40-29,163.20

Finding the Fourth Proportional to 40,913.60, 61,370.40 and 29,163.20

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Solution

The fourth proportional to 40,913.60, 61,370.40 and 29,163.20 is: 43,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,913.60 : 61,370.40 = 29,163.20 : x
  2. Step 2: Convert to fraction form
    40,913.60/61,370.40 = 29,163.20/x
  3. Step 3: Cross multiply
    40,913.60x = 61,370.40 × 29,163.20
  4. Step 4: Simplify right side
    40,913.60x = 1,789,757,249.28
  5. Step 5: Solve for x
    x = 1,789,757,249.28/40,913.60
  6. Step 6: Final answer
    x = 43,744.80

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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.