Home / 35,991.38-49,671.96-20,081.36

Finding the Fourth Proportional to 35,991.38, 49,671.96 and 20,081.36

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Solution

The fourth proportional to 35,991.38, 49,671.96 and 20,081.36 is: 27,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.38 : 49,671.96 = 20,081.36 : x
  2. Step 2: Convert to fraction form
    35,991.38/49,671.96 = 20,081.36/x
  3. Step 3: Cross multiply
    35,991.38x = 49,671.96 × 20,081.36
  4. Step 4: Simplify right side
    35,991.38x = 997,480,510.67
  5. Step 5: Solve for x
    x = 997,480,510.67/35,991.38
  6. Step 6: Final answer
    x = 27,714.43

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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.