Home / 74,901.78-112,376.97-22,311.72

Finding the Fourth Proportional to 74,901.78, 112,376.97 and 22,311.72

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Solution

The fourth proportional to 74,901.78, 112,376.97 and 22,311.72 is: 33,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,901.78 : 112,376.97 = 22,311.72 : x
  2. Step 2: Convert to fraction form
    74,901.78/112,376.97 = 22,311.72/x
  3. Step 3: Cross multiply
    74,901.78x = 112,376.97 × 22,311.72
  4. Step 4: Simplify right side
    74,901.78x = 2,507,323,489.09
  5. Step 5: Solve for x
    x = 2,507,323,489.09/74,901.78
  6. Step 6: Final answer
    x = 33,474.82

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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.