Home / 72,890.16-109,339.16-22,974.12

Finding the Fourth Proportional to 72,890.16, 109,339.16 and 22,974.12

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Solution

The fourth proportional to 72,890.16, 109,339.16 and 22,974.12 is: 34,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,890.16 : 109,339.16 = 22,974.12 : x
  2. Step 2: Convert to fraction form
    72,890.16/109,339.16 = 22,974.12/x
  3. Step 3: Cross multiply
    72,890.16x = 109,339.16 × 22,974.12
  4. Step 4: Simplify right side
    72,890.16x = 2,511,970,982.54
  5. Step 5: Solve for x
    x = 2,511,970,982.54/72,890.16
  6. Step 6: Final answer
    x = 34,462.42

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1.5x scale

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.