Home / 30,695.12-42,359.86-17,949.44

Finding the Fourth Proportional to 30,695.12, 42,359.86 and 17,949.44

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Solution

The fourth proportional to 30,695.12, 42,359.86 and 17,949.44 is: 24,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.12 : 42,359.86 = 17,949.44 : x
  2. Step 2: Convert to fraction form
    30,695.12/42,359.86 = 17,949.44/x
  3. Step 3: Cross multiply
    30,695.12x = 42,359.86 × 17,949.44
  4. Step 4: Simplify right side
    30,695.12x = 760,335,765.48
  5. Step 5: Solve for x
    x = 760,335,765.48/30,695.12
  6. Step 6: Final answer
    x = 24,770.57

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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.