Home / 33,116.44-45,689.52-18,774.72

Finding the Fourth Proportional to 33,116.44, 45,689.52 and 18,774.72

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Solution

The fourth proportional to 33,116.44, 45,689.52 and 18,774.72 is: 25,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.44 : 45,689.52 = 18,774.72 : x
  2. Step 2: Convert to fraction form
    33,116.44/45,689.52 = 18,774.72/x
  3. Step 3: Cross multiply
    33,116.44x = 45,689.52 × 18,774.72
  4. Step 4: Simplify right side
    33,116.44x = 857,807,944.93
  5. Step 5: Solve for x
    x = 857,807,944.93/33,116.44
  6. Step 6: Final answer
    x = 25,902.78

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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.