Home / 36,150.84-49,890.13-20,238.59

Finding the Fourth Proportional to 36,150.84, 49,890.13 and 20,238.59

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Solution

The fourth proportional to 36,150.84, 49,890.13 and 20,238.59 is: 27,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.84 : 49,890.13 = 20,238.59 : x
  2. Step 2: Convert to fraction form
    36,150.84/49,890.13 = 20,238.59/x
  3. Step 3: Cross multiply
    36,150.84x = 49,890.13 × 20,238.59
  4. Step 4: Simplify right side
    36,150.84x = 1,009,705,960.25
  5. Step 5: Solve for x
    x = 1,009,705,960.25/36,150.84
  6. Step 6: Final answer
    x = 27,930.36

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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.