Home / 36,154.75-49,881.48-21,044.20

Finding the Fourth Proportional to 36,154.75, 49,881.48 and 21,044.20

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Solution

The fourth proportional to 36,154.75, 49,881.48 and 21,044.20 is: 29,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.75 : 49,881.48 = 21,044.20 : x
  2. Step 2: Convert to fraction form
    36,154.75/49,881.48 = 21,044.20/x
  3. Step 3: Cross multiply
    36,154.75x = 49,881.48 × 21,044.20
  4. Step 4: Simplify right side
    36,154.75x = 1,049,715,731.32
  5. Step 5: Solve for x
    x = 1,049,715,731.32/36,154.75
  6. Step 6: Final answer
    x = 29,033.97

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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.