Home / 33,111.19-45,691.95-18,770.81

Finding the Fourth Proportional to 33,111.19, 45,691.95 and 18,770.81

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Solution

The fourth proportional to 33,111.19, 45,691.95 and 18,770.81 is: 25,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.19 : 45,691.95 = 18,770.81 : x
  2. Step 2: Convert to fraction form
    33,111.19/45,691.95 = 18,770.81/x
  3. Step 3: Cross multiply
    33,111.19x = 45,691.95 × 18,770.81
  4. Step 4: Simplify right side
    33,111.19x = 857,675,026.21
  5. Step 5: Solve for x
    x = 857,675,026.21/33,111.19
  6. Step 6: Final answer
    x = 25,902.88

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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.