Home / 38,859.67-53,625.77-21,863.94

Finding the Fourth Proportional to 38,859.67, 53,625.77 and 21,863.94

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Solution

The fourth proportional to 38,859.67, 53,625.77 and 21,863.94 is: 30,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.67 : 53,625.77 = 21,863.94 : x
  2. Step 2: Convert to fraction form
    38,859.67/53,625.77 = 21,863.94/x
  3. Step 3: Cross multiply
    38,859.67x = 53,625.77 × 21,863.94
  4. Step 4: Simplify right side
    38,859.67x = 1,172,470,389.31
  5. Step 5: Solve for x
    x = 1,172,470,389.31/38,859.67
  6. Step 6: Final answer
    x = 30,171.91

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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.