Home / 36,009.27-49,692.42-19,876.70

Finding the Fourth Proportional to 36,009.27, 49,692.42 and 19,876.70

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Solution

The fourth proportional to 36,009.27, 49,692.42 and 19,876.70 is: 27,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.27 : 49,692.42 = 19,876.70 : x
  2. Step 2: Convert to fraction form
    36,009.27/49,692.42 = 19,876.70/x
  3. Step 3: Cross multiply
    36,009.27x = 49,692.42 × 19,876.70
  4. Step 4: Simplify right side
    36,009.27x = 987,721,448.85
  5. Step 5: Solve for x
    x = 987,721,448.85/36,009.27
  6. Step 6: Final answer
    x = 27,429.64

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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.