Home / 36,087.18-49,799.43-20,173.50

Finding the Fourth Proportional to 36,087.18, 49,799.43 and 20,173.50

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Solution

The fourth proportional to 36,087.18, 49,799.43 and 20,173.50 is: 27,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.18 : 49,799.43 = 20,173.50 : x
  2. Step 2: Convert to fraction form
    36,087.18/49,799.43 = 20,173.50/x
  3. Step 3: Cross multiply
    36,087.18x = 49,799.43 × 20,173.50
  4. Step 4: Simplify right side
    36,087.18x = 1,004,628,801.11
  5. Step 5: Solve for x
    x = 1,004,628,801.11/36,087.18
  6. Step 6: Final answer
    x = 27,838.94

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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.