Home / 38,861.66-53,627.91-21,866.85

Finding the Fourth Proportional to 38,861.66, 53,627.91 and 21,866.85

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Solution

The fourth proportional to 38,861.66, 53,627.91 and 21,866.85 is: 30,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,861.66 : 53,627.91 = 21,866.85 : x
  2. Step 2: Convert to fraction form
    38,861.66/53,627.91 = 21,866.85/x
  3. Step 3: Cross multiply
    38,861.66x = 53,627.91 × 21,866.85
  4. Step 4: Simplify right side
    38,861.66x = 1,172,673,463.78
  5. Step 5: Solve for x
    x = 1,172,673,463.78/38,861.66
  6. Step 6: Final answer
    x = 30,175.59

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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.