Home / 36,728.52-50,682.15-20,812.02

Finding the Fourth Proportional to 36,728.52, 50,682.15 and 20,812.02

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Solution

The fourth proportional to 36,728.52, 50,682.15 and 20,812.02 is: 28,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,728.52 : 50,682.15 = 20,812.02 : x
  2. Step 2: Convert to fraction form
    36,728.52/50,682.15 = 20,812.02/x
  3. Step 3: Cross multiply
    36,728.52x = 50,682.15 × 20,812.02
  4. Step 4: Simplify right side
    36,728.52x = 1,054,797,919.44
  5. Step 5: Solve for x
    x = 1,054,797,919.44/36,728.52
  6. Step 6: Final answer
    x = 28,718.77

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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.