Home / 48,021.83-66,270.28-27,879.56

Finding the Fourth Proportional to 48,021.83, 66,270.28 and 27,879.56

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Solution

The fourth proportional to 48,021.83, 66,270.28 and 27,879.56 is: 38,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.83 : 66,270.28 = 27,879.56 : x
  2. Step 2: Convert to fraction form
    48,021.83/66,270.28 = 27,879.56/x
  3. Step 3: Cross multiply
    48,021.83x = 66,270.28 × 27,879.56
  4. Step 4: Simplify right side
    48,021.83x = 1,847,585,916.13
  5. Step 5: Solve for x
    x = 1,847,585,916.13/48,021.83
  6. Step 6: Final answer
    x = 38,473.88

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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.