Home / 36,170.76-49,920.36-21,063.66

Finding the Fourth Proportional to 36,170.76, 49,920.36 and 21,063.66

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Solution

The fourth proportional to 36,170.76, 49,920.36 and 21,063.66 is: 29,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.76 : 49,920.36 = 21,063.66 : x
  2. Step 2: Convert to fraction form
    36,170.76/49,920.36 = 21,063.66/x
  3. Step 3: Cross multiply
    36,170.76x = 49,920.36 × 21,063.66
  4. Step 4: Simplify right side
    36,170.76x = 1,051,505,490.12
  5. Step 5: Solve for x
    x = 1,051,505,490.12/36,170.76
  6. Step 6: Final answer
    x = 29,070.59

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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.