Home / 38,177.75-52,684.31-21,181.93

Finding the Fourth Proportional to 38,177.75, 52,684.31 and 21,181.93

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Solution

The fourth proportional to 38,177.75, 52,684.31 and 21,181.93 is: 29,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.75 : 52,684.31 = 21,181.93 : x
  2. Step 2: Convert to fraction form
    38,177.75/52,684.31 = 21,181.93/x
  3. Step 3: Cross multiply
    38,177.75x = 52,684.31 × 21,181.93
  4. Step 4: Simplify right side
    38,177.75x = 1,115,955,287.76
  5. Step 5: Solve for x
    x = 1,115,955,287.76/38,177.75
  6. Step 6: Final answer
    x = 29,230.51

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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.