Home / 36,396.31-50,226.69-20,480.89

Finding the Fourth Proportional to 36,396.31, 50,226.69 and 20,480.89

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Solution

The fourth proportional to 36,396.31, 50,226.69 and 20,480.89 is: 28,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,396.31 : 50,226.69 = 20,480.89 : x
  2. Step 2: Convert to fraction form
    36,396.31/50,226.69 = 20,480.89/x
  3. Step 3: Cross multiply
    36,396.31x = 50,226.69 × 20,480.89
  4. Step 4: Simplify right side
    36,396.31x = 1,028,687,312.95
  5. Step 5: Solve for x
    x = 1,028,687,312.95/36,396.31
  6. Step 6: Final answer
    x = 28,263.51

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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.