Home / 30,272.96-41,780.10-17,353.44

Finding the Fourth Proportional to 30,272.96, 41,780.10 and 17,353.44

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Solution

The fourth proportional to 30,272.96, 41,780.10 and 17,353.44 is: 23,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.96 : 41,780.10 = 17,353.44 : x
  2. Step 2: Convert to fraction form
    30,272.96/41,780.10 = 17,353.44/x
  3. Step 3: Cross multiply
    30,272.96x = 41,780.10 × 17,353.44
  4. Step 4: Simplify right side
    30,272.96x = 725,028,458.54
  5. Step 5: Solve for x
    x = 725,028,458.54/30,272.96
  6. Step 6: Final answer
    x = 23,949.70

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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.