Home / 36,721.15-50,670.83-21,610.46

Finding the Fourth Proportional to 36,721.15, 50,670.83 and 21,610.46

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Solution

The fourth proportional to 36,721.15, 50,670.83 and 21,610.46 is: 29,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.15 : 50,670.83 = 21,610.46 : x
  2. Step 2: Convert to fraction form
    36,721.15/50,670.83 = 21,610.46/x
  3. Step 3: Cross multiply
    36,721.15x = 50,670.83 × 21,610.46
  4. Step 4: Simplify right side
    36,721.15x = 1,095,020,125.59
  5. Step 5: Solve for x
    x = 1,095,020,125.59/36,721.15
  6. Step 6: Final answer
    x = 29,819.88

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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.