Home / 33,165.45-49,740.80-19,999.71

Finding the Fourth Proportional to 33,165.45, 49,740.80 and 19,999.71

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Solution

The fourth proportional to 33,165.45, 49,740.80 and 19,999.71 is: 29,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.45 : 49,740.80 = 19,999.71 : x
  2. Step 2: Convert to fraction form
    33,165.45/49,740.80 = 19,999.71/x
  3. Step 3: Cross multiply
    33,165.45x = 49,740.80 × 19,999.71
  4. Step 4: Simplify right side
    33,165.45x = 994,801,475.17
  5. Step 5: Solve for x
    x = 994,801,475.17/33,165.45
  6. Step 6: Final answer
    x = 29,995.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.