Home / 36,000.25-49,680.21-20,083.75

Finding the Fourth Proportional to 36,000.25, 49,680.21 and 20,083.75

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Solution

The fourth proportional to 36,000.25, 49,680.21 and 20,083.75 is: 27,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,000.25 : 49,680.21 = 20,083.75 : x
  2. Step 2: Convert to fraction form
    36,000.25/49,680.21 = 20,083.75/x
  3. Step 3: Cross multiply
    36,000.25x = 49,680.21 × 20,083.75
  4. Step 4: Simplify right side
    36,000.25x = 997,764,917.59
  5. Step 5: Solve for x
    x = 997,764,917.59/36,000.25
  6. Step 6: Final answer
    x = 27,715.50

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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.