Home / 45,947.11-68,947.75-19,297.78

Finding the Fourth Proportional to 45,947.11, 68,947.75 and 19,297.78

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Solution

The fourth proportional to 45,947.11, 68,947.75 and 19,297.78 is: 28,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.11 : 68,947.75 = 19,297.78 : x
  2. Step 2: Convert to fraction form
    45,947.11/68,947.75 = 19,297.78/x
  3. Step 3: Cross multiply
    45,947.11x = 68,947.75 × 19,297.78
  4. Step 4: Simplify right side
    45,947.11x = 1,330,538,166.26
  5. Step 5: Solve for x
    x = 1,330,538,166.26/45,947.11
  6. Step 6: Final answer
    x = 28,958.04

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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.