Home / 38,879.02-53,652.92-21,883.26

Finding the Fourth Proportional to 38,879.02, 53,652.92 and 21,883.26

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Solution

The fourth proportional to 38,879.02, 53,652.92 and 21,883.26 is: 30,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.02 : 53,652.92 = 21,883.26 : x
  2. Step 2: Convert to fraction form
    38,879.02/53,652.92 = 21,883.26/x
  3. Step 3: Cross multiply
    38,879.02x = 53,652.92 × 21,883.26
  4. Step 4: Simplify right side
    38,879.02x = 1,174,100,557.82
  5. Step 5: Solve for x
    x = 1,174,100,557.82/38,879.02
  6. Step 6: Final answer
    x = 30,198.82

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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.