Home / 38,662.26-58,015.71-20,892.98

Finding the Fourth Proportional to 38,662.26, 58,015.71 and 20,892.98

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Solution

The fourth proportional to 38,662.26, 58,015.71 and 20,892.98 is: 31,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.26 : 58,015.71 = 20,892.98 : x
  2. Step 2: Convert to fraction form
    38,662.26/58,015.71 = 20,892.98/x
  3. Step 3: Cross multiply
    38,662.26x = 58,015.71 × 20,892.98
  4. Step 4: Simplify right side
    38,662.26x = 1,212,120,778.64
  5. Step 5: Solve for x
    x = 1,212,120,778.64/38,662.26
  6. Step 6: Final answer
    x = 31,351.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.