Home / 36,834.28-50,837.10-21,728.64

Finding the Fourth Proportional to 36,834.28, 50,837.10 and 21,728.64

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Solution

The fourth proportional to 36,834.28, 50,837.10 and 21,728.64 is: 29,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.28 : 50,837.10 = 21,728.64 : x
  2. Step 2: Convert to fraction form
    36,834.28/50,837.10 = 21,728.64/x
  3. Step 3: Cross multiply
    36,834.28x = 50,837.10 × 21,728.64
  4. Step 4: Simplify right side
    36,834.28x = 1,104,621,044.54
  5. Step 5: Solve for x
    x = 1,104,621,044.54/36,834.28
  6. Step 6: Final answer
    x = 29,988.94

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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.