Home / 33,818.31-46,660.86-20,397.42

Finding the Fourth Proportional to 33,818.31, 46,660.86 and 20,397.42

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Solution

The fourth proportional to 33,818.31, 46,660.86 and 20,397.42 is: 28,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,818.31 : 46,660.86 = 20,397.42 : x
  2. Step 2: Convert to fraction form
    33,818.31/46,660.86 = 20,397.42/x
  3. Step 3: Cross multiply
    33,818.31x = 46,660.86 × 20,397.42
  4. Step 4: Simplify right side
    33,818.31x = 951,761,158.98
  5. Step 5: Solve for x
    x = 951,761,158.98/33,818.31
  6. Step 6: Final answer
    x = 28,143.37

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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.