Home / 74,274.11-111,403.26-20,964.77

Finding the Fourth Proportional to 74,274.11, 111,403.26 and 20,964.77

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Solution

The fourth proportional to 74,274.11, 111,403.26 and 20,964.77 is: 31,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.11 : 111,403.26 = 20,964.77 : x
  2. Step 2: Convert to fraction form
    74,274.11/111,403.26 = 20,964.77/x
  3. Step 3: Cross multiply
    74,274.11x = 111,403.26 × 20,964.77
  4. Step 4: Simplify right side
    74,274.11x = 2,335,543,723.15
  5. Step 5: Solve for x
    x = 2,335,543,723.15/74,274.11
  6. Step 6: Final answer
    x = 31,444.92

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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.