Home / 36,123.47-49,850.39-20,207.92

Finding the Fourth Proportional to 36,123.47, 49,850.39 and 20,207.92

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Solution

The fourth proportional to 36,123.47, 49,850.39 and 20,207.92 is: 27,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.47 : 49,850.39 = 20,207.92 : x
  2. Step 2: Convert to fraction form
    36,123.47/49,850.39 = 20,207.92/x
  3. Step 3: Cross multiply
    36,123.47x = 49,850.39 × 20,207.92
  4. Step 4: Simplify right side
    36,123.47x = 1,007,372,528.68
  5. Step 5: Solve for x
    x = 1,007,372,528.68/36,123.47
  6. Step 6: Final answer
    x = 27,886.93

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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.