Home / 36,394.02-50,221.82-20,479.50

Finding the Fourth Proportional to 36,394.02, 50,221.82 and 20,479.50

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Solution

The fourth proportional to 36,394.02, 50,221.82 and 20,479.50 is: 28,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,394.02 : 50,221.82 = 20,479.50 : x
  2. Step 2: Convert to fraction form
    36,394.02/50,221.82 = 20,479.50/x
  3. Step 3: Cross multiply
    36,394.02x = 50,221.82 × 20,479.50
  4. Step 4: Simplify right side
    36,394.02x = 1,028,517,813.89
  5. Step 5: Solve for x
    x = 1,028,517,813.89/36,394.02
  6. Step 6: Final answer
    x = 28,260.63

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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.