Home / 40,206.58-55,551.83-31,773.36

Finding the Fourth Proportional to 40,206.58, 55,551.83 and 31,773.36

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Solution

The fourth proportional to 40,206.58, 55,551.83 and 31,773.36 is: 43,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.58 : 55,551.83 = 31,773.36 : x
  2. Step 2: Convert to fraction form
    40,206.58/55,551.83 = 31,773.36/x
  3. Step 3: Cross multiply
    40,206.58x = 55,551.83 × 31,773.36
  4. Step 4: Simplify right side
    40,206.58x = 1,765,068,342.70
  5. Step 5: Solve for x
    x = 1,765,068,342.70/40,206.58
  6. Step 6: Final answer
    x = 43,899.99

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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.