Home / 36,127.89-49,858.43-20,211.39

Finding the Fourth Proportional to 36,127.89, 49,858.43 and 20,211.39

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Solution

The fourth proportional to 36,127.89, 49,858.43 and 20,211.39 is: 27,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,127.89 : 49,858.43 = 20,211.39 : x
  2. Step 2: Convert to fraction form
    36,127.89/49,858.43 = 20,211.39/x
  3. Step 3: Cross multiply
    36,127.89x = 49,858.43 × 20,211.39
  4. Step 4: Simplify right side
    36,127.89x = 1,007,708,072.46
  5. Step 5: Solve for x
    x = 1,007,708,072.46/36,127.89
  6. Step 6: Final answer
    x = 27,892.80

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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.