Home / 36,395.30-50,225.19-20,479.43

Finding the Fourth Proportional to 36,395.30, 50,225.19 and 20,479.43

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Solution

The fourth proportional to 36,395.30, 50,225.19 and 20,479.43 is: 28,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.30 : 50,225.19 = 20,479.43 : x
  2. Step 2: Convert to fraction form
    36,395.30/50,225.19 = 20,479.43/x
  3. Step 3: Cross multiply
    36,395.30x = 50,225.19 × 20,479.43
  4. Step 4: Simplify right side
    36,395.30x = 1,028,583,262.84
  5. Step 5: Solve for x
    x = 1,028,583,262.84/36,395.30
  6. Step 6: Final answer
    x = 28,261.43

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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.