Home / 75,947.60-113,911.41-19,791.79

Finding the Fourth Proportional to 75,947.60, 113,911.41 and 19,791.79

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Solution

The fourth proportional to 75,947.60, 113,911.41 and 19,791.79 is: 29,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,947.60 : 113,911.41 = 19,791.79 : x
  2. Step 2: Convert to fraction form
    75,947.60/113,911.41 = 19,791.79/x
  3. Step 3: Cross multiply
    75,947.60x = 113,911.41 × 19,791.79
  4. Step 4: Simplify right side
    75,947.60x = 2,254,510,705.32
  5. Step 5: Solve for x
    x = 2,254,510,705.32/75,947.60
  6. Step 6: Final answer
    x = 29,685.08

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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.