Home / 38,166.58-52,669.20-21,399.58

Finding the Fourth Proportional to 38,166.58, 52,669.20 and 21,399.58

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Solution

The fourth proportional to 38,166.58, 52,669.20 and 21,399.58 is: 29,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.58 : 52,669.20 = 21,399.58 : x
  2. Step 2: Convert to fraction form
    38,166.58/52,669.20 = 21,399.58/x
  3. Step 3: Cross multiply
    38,166.58x = 52,669.20 × 21,399.58
  4. Step 4: Simplify right side
    38,166.58x = 1,127,098,758.94
  5. Step 5: Solve for x
    x = 1,127,098,758.94/38,166.58
  6. Step 6: Final answer
    x = 29,531.04

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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.