Home / 33,245.58-45,881.64-18,909.90

Finding the Fourth Proportional to 33,245.58, 45,881.64 and 18,909.90

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Solution

The fourth proportional to 33,245.58, 45,881.64 and 18,909.90 is: 26,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,245.58 : 45,881.64 = 18,909.90 : x
  2. Step 2: Convert to fraction form
    33,245.58/45,881.64 = 18,909.90/x
  3. Step 3: Cross multiply
    33,245.58x = 45,881.64 × 18,909.90
  4. Step 4: Simplify right side
    33,245.58x = 867,617,224.24
  5. Step 5: Solve for x
    x = 867,617,224.24/33,245.58
  6. Step 6: Final answer
    x = 26,097.22

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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.