Home / 33,116.05-45,684.08-19,677.79

Finding the Fourth Proportional to 33,116.05, 45,684.08 and 19,677.79

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Solution

The fourth proportional to 33,116.05, 45,684.08 and 19,677.79 is: 27,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.05 : 45,684.08 = 19,677.79 : x
  2. Step 2: Convert to fraction form
    33,116.05/45,684.08 = 19,677.79/x
  3. Step 3: Cross multiply
    33,116.05x = 45,684.08 × 19,677.79
  4. Step 4: Simplify right side
    33,116.05x = 898,961,732.58
  5. Step 5: Solve for x
    x = 898,961,732.58/33,116.05
  6. Step 6: Final answer
    x = 27,145.80

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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.