Home / 33,836.72-46,683.20-19,677.92

Finding the Fourth Proportional to 33,836.72, 46,683.20 and 19,677.92

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Solution

The fourth proportional to 33,836.72, 46,683.20 and 19,677.92 is: 27,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,836.72 : 46,683.20 = 19,677.92 : x
  2. Step 2: Convert to fraction form
    33,836.72/46,683.20 = 19,677.92/x
  3. Step 3: Cross multiply
    33,836.72x = 46,683.20 × 19,677.92
  4. Step 4: Simplify right side
    33,836.72x = 918,628,274.94
  5. Step 5: Solve for x
    x = 918,628,274.94/33,836.72
  6. Step 6: Final answer
    x = 27,148.86

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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.