Home / 74,164.82-111,265.45-21,574.76

Finding the Fourth Proportional to 74,164.82, 111,265.45 and 21,574.76

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Solution

The fourth proportional to 74,164.82, 111,265.45 and 21,574.76 is: 32,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.82 : 111,265.45 = 21,574.76 : x
  2. Step 2: Convert to fraction form
    74,164.82/111,265.45 = 21,574.76/x
  3. Step 3: Cross multiply
    74,164.82x = 111,265.45 × 21,574.76
  4. Step 4: Simplify right side
    74,164.82x = 2,400,524,769.78
  5. Step 5: Solve for x
    x = 2,400,524,769.78/74,164.82
  6. Step 6: Final answer
    x = 32,367.43

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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.