Home / 38,167.22-52,671.61-21,170.92

Finding the Fourth Proportional to 38,167.22, 52,671.61 and 21,170.92

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Solution

The fourth proportional to 38,167.22, 52,671.61 and 21,170.92 is: 29,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.22 : 52,671.61 = 21,170.92 : x
  2. Step 2: Convert to fraction form
    38,167.22/52,671.61 = 21,170.92/x
  3. Step 3: Cross multiply
    38,167.22x = 52,671.61 × 21,170.92
  4. Step 4: Simplify right side
    38,167.22x = 1,115,106,072.37
  5. Step 5: Solve for x
    x = 1,115,106,072.37/38,167.22
  6. Step 6: Final answer
    x = 29,216.33

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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.