Home / 40,822.78-56,331.07-22,919.76

Finding the Fourth Proportional to 40,822.78, 56,331.07 and 22,919.76

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Solution

The fourth proportional to 40,822.78, 56,331.07 and 22,919.76 is: 31,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.78 : 56,331.07 = 22,919.76 : x
  2. Step 2: Convert to fraction form
    40,822.78/56,331.07 = 22,919.76/x
  3. Step 3: Cross multiply
    40,822.78x = 56,331.07 × 22,919.76
  4. Step 4: Simplify right side
    40,822.78x = 1,291,094,604.94
  5. Step 5: Solve for x
    x = 1,291,094,604.94/40,822.78
  6. Step 6: Final answer
    x = 31,626.82

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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.