Home / 36,581.22-50,479.61-20,664.72

Finding the Fourth Proportional to 36,581.22, 50,479.61 and 20,664.72

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Solution

The fourth proportional to 36,581.22, 50,479.61 and 20,664.72 is: 28,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,581.22 : 50,479.61 = 20,664.72 : x
  2. Step 2: Convert to fraction form
    36,581.22/50,479.61 = 20,664.72/x
  3. Step 3: Cross multiply
    36,581.22x = 50,479.61 × 20,664.72
  4. Step 4: Simplify right side
    36,581.22x = 1,043,146,903.04
  5. Step 5: Solve for x
    x = 1,043,146,903.04/36,581.22
  6. Step 6: Final answer
    x = 28,515.91

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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.