Home / 74,954.12-112,431.18-22,400.52

Finding the Fourth Proportional to 74,954.12, 112,431.18 and 22,400.52

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Solution

The fourth proportional to 74,954.12, 112,431.18 and 22,400.52 is: 33,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.12 : 112,431.18 = 22,400.52 : x
  2. Step 2: Convert to fraction form
    74,954.12/112,431.18 = 22,400.52/x
  3. Step 3: Cross multiply
    74,954.12x = 112,431.18 × 22,400.52
  4. Step 4: Simplify right side
    74,954.12x = 2,518,516,896.21
  5. Step 5: Solve for x
    x = 2,518,516,896.21/74,954.12
  6. Step 6: Final answer
    x = 33,600.78

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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.