Home / 36,127.08-49,853.07-20,211.39

Finding the Fourth Proportional to 36,127.08, 49,853.07 and 20,211.39

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Solution

The fourth proportional to 36,127.08, 49,853.07 and 20,211.39 is: 27,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,127.08 : 49,853.07 = 20,211.39 : x
  2. Step 2: Convert to fraction form
    36,127.08/49,853.07 = 20,211.39/x
  3. Step 3: Cross multiply
    36,127.08x = 49,853.07 × 20,211.39
  4. Step 4: Simplify right side
    36,127.08x = 1,007,599,840.47
  5. Step 5: Solve for x
    x = 1,007,599,840.47/36,127.08
  6. Step 6: Final answer
    x = 27,890.43

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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.