Home / 45,476.43-68,173.61-19,182.75

Finding the Fourth Proportional to 45,476.43, 68,173.61 and 19,182.75

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Solution

The fourth proportional to 45,476.43, 68,173.61 and 19,182.75 is: 28,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,476.43 : 68,173.61 = 19,182.75 : x
  2. Step 2: Convert to fraction form
    45,476.43/68,173.61 = 19,182.75/x
  3. Step 3: Cross multiply
    45,476.43x = 68,173.61 × 19,182.75
  4. Step 4: Simplify right side
    45,476.43x = 1,307,757,221.31
  5. Step 5: Solve for x
    x = 1,307,757,221.31/45,476.43
  6. Step 6: Final answer
    x = 28,756.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.