Home / 40,078.08-55,308.68-22,173.44

Finding the Fourth Proportional to 40,078.08, 55,308.68 and 22,173.44

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Solution

The fourth proportional to 40,078.08, 55,308.68 and 22,173.44 is: 30,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.08 : 55,308.68 = 22,173.44 : x
  2. Step 2: Convert to fraction form
    40,078.08/55,308.68 = 22,173.44/x
  3. Step 3: Cross multiply
    40,078.08x = 55,308.68 × 22,173.44
  4. Step 4: Simplify right side
    40,078.08x = 1,226,383,697.46
  5. Step 5: Solve for x
    x = 1,226,383,697.46/40,078.08
  6. Step 6: Final answer
    x = 30,599.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.