Home / 30,272.20-41,768.85-18,335.32

Finding the Fourth Proportional to 30,272.20, 41,768.85 and 18,335.32

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Solution

The fourth proportional to 30,272.20, 41,768.85 and 18,335.32 is: 25,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.20 : 41,768.85 = 18,335.32 : x
  2. Step 2: Convert to fraction form
    30,272.20/41,768.85 = 18,335.32/x
  3. Step 3: Cross multiply
    30,272.20x = 41,768.85 × 18,335.32
  4. Step 4: Simplify right side
    30,272.20x = 765,845,230.78
  5. Step 5: Solve for x
    x = 765,845,230.78/30,272.20
  6. Step 6: Final answer
    x = 25,298.63

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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.