Home / 74,570.68-111,822.54-21,961.72

Finding the Fourth Proportional to 74,570.68, 111,822.54 and 21,961.72

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Solution

The fourth proportional to 74,570.68, 111,822.54 and 21,961.72 is: 32,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,570.68 : 111,822.54 = 21,961.72 : x
  2. Step 2: Convert to fraction form
    74,570.68/111,822.54 = 21,961.72/x
  3. Step 3: Cross multiply
    74,570.68x = 111,822.54 × 21,961.72
  4. Step 4: Simplify right side
    74,570.68x = 2,455,815,313.17
  5. Step 5: Solve for x
    x = 2,455,815,313.17/74,570.68
  6. Step 6: Final answer
    x = 32,932.72

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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.