Home / 38,953.97-58,485.36-19,991.87

Finding the Fourth Proportional to 38,953.97, 58,485.36 and 19,991.87

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Solution

The fourth proportional to 38,953.97, 58,485.36 and 19,991.87 is: 30,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.97 : 58,485.36 = 19,991.87 : x
  2. Step 2: Convert to fraction form
    38,953.97/58,485.36 = 19,991.87/x
  3. Step 3: Cross multiply
    38,953.97x = 58,485.36 × 19,991.87
  4. Step 4: Simplify right side
    38,953.97x = 1,169,231,714.02
  5. Step 5: Solve for x
    x = 1,169,231,714.02/38,953.97
  6. Step 6: Final answer
    x = 30,015.73

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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.