Home / 38,166.63-52,669.97-21,170.31

Finding the Fourth Proportional to 38,166.63, 52,669.97 and 21,170.31

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Solution

The fourth proportional to 38,166.63, 52,669.97 and 21,170.31 is: 29,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.63 : 52,669.97 = 21,170.31 : x
  2. Step 2: Convert to fraction form
    38,166.63/52,669.97 = 21,170.31/x
  3. Step 3: Cross multiply
    38,166.63x = 52,669.97 × 21,170.31
  4. Step 4: Simplify right side
    38,166.63x = 1,115,039,592.59
  5. Step 5: Solve for x
    x = 1,115,039,592.59/38,166.63
  6. Step 6: Final answer
    x = 29,215.04

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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.