Home / 36,838.22-50,836.46-21,730.91

Finding the Fourth Proportional to 36,838.22, 50,836.46 and 21,730.91

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Solution

The fourth proportional to 36,838.22, 50,836.46 and 21,730.91 is: 29,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.22 : 50,836.46 = 21,730.91 : x
  2. Step 2: Convert to fraction form
    36,838.22/50,836.46 = 21,730.91/x
  3. Step 3: Cross multiply
    36,838.22x = 50,836.46 × 21,730.91
  4. Step 4: Simplify right side
    36,838.22x = 1,104,722,174.14
  5. Step 5: Solve for x
    x = 1,104,722,174.14/36,838.22
  6. Step 6: Final answer
    x = 29,988.48

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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.