Home / 40,276.81-55,580.44-22,372.96

Finding the Fourth Proportional to 40,276.81, 55,580.44 and 22,372.96

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Solution

The fourth proportional to 40,276.81, 55,580.44 and 22,372.96 is: 30,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.81 : 55,580.44 = 22,372.96 : x
  2. Step 2: Convert to fraction form
    40,276.81/55,580.44 = 22,372.96/x
  3. Step 3: Cross multiply
    40,276.81x = 55,580.44 × 22,372.96
  4. Step 4: Simplify right side
    40,276.81x = 1,243,498,960.90
  5. Step 5: Solve for x
    x = 1,243,498,960.90/40,276.81
  6. Step 6: Final answer
    x = 30,873.82

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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.