Home / 36,220.50-49,984.48-21,123.64

Finding the Fourth Proportional to 36,220.50, 49,984.48 and 21,123.64

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Solution

The fourth proportional to 36,220.50, 49,984.48 and 21,123.64 is: 29,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.50 : 49,984.48 = 21,123.64 : x
  2. Step 2: Convert to fraction form
    36,220.50/49,984.48 = 21,123.64/x
  3. Step 3: Cross multiply
    36,220.50x = 49,984.48 × 21,123.64
  4. Step 4: Simplify right side
    36,220.50x = 1,055,854,161.11
  5. Step 5: Solve for x
    x = 1,055,854,161.11/36,220.50
  6. Step 6: Final answer
    x = 29,150.73

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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.