Home / 38,879.96-53,650.17-21,883.91

Finding the Fourth Proportional to 38,879.96, 53,650.17 and 21,883.91

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Solution

The fourth proportional to 38,879.96, 53,650.17 and 21,883.91 is: 30,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.96 : 53,650.17 = 21,883.91 : x
  2. Step 2: Convert to fraction form
    38,879.96/53,650.17 = 21,883.91/x
  3. Step 3: Cross multiply
    38,879.96x = 53,650.17 × 21,883.91
  4. Step 4: Simplify right side
    38,879.96x = 1,174,075,223.51
  5. Step 5: Solve for x
    x = 1,174,075,223.51/38,879.96
  6. Step 6: Final answer
    x = 30,197.44

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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.