Home / 38,285.25-52,835.40-21,291.21

Finding the Fourth Proportional to 38,285.25, 52,835.40 and 21,291.21

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Solution

The fourth proportional to 38,285.25, 52,835.40 and 21,291.21 is: 29,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.25 : 52,835.40 = 21,291.21 : x
  2. Step 2: Convert to fraction form
    38,285.25/52,835.40 = 21,291.21/x
  3. Step 3: Cross multiply
    38,285.25x = 52,835.40 × 21,291.21
  4. Step 4: Simplify right side
    38,285.25x = 1,124,929,596.83
  5. Step 5: Solve for x
    x = 1,124,929,596.83/38,285.25
  6. Step 6: Final answer
    x = 29,382.85

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Find fourth proportional to 38,286.25, 52,836.78 and 21,292.21
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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.