Home / 40,905.88-56,449.37-22,756.52

Finding the Fourth Proportional to 40,905.88, 56,449.37 and 22,756.52

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Solution

The fourth proportional to 40,905.88, 56,449.37 and 22,756.52 is: 31,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.88 : 56,449.37 = 22,756.52 : x
  2. Step 2: Convert to fraction form
    40,905.88/56,449.37 = 22,756.52/x
  3. Step 3: Cross multiply
    40,905.88x = 56,449.37 × 22,756.52
  4. Step 4: Simplify right side
    40,905.88x = 1,284,591,217.39
  5. Step 5: Solve for x
    x = 1,284,591,217.39/40,905.88
  6. Step 6: Final answer
    x = 31,403.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.