Home / 54,335.70-81,496.62-21,032.98

Finding the Fourth Proportional to 54,335.70, 81,496.62 and 21,032.98

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Solution

The fourth proportional to 54,335.70, 81,496.62 and 21,032.98 is: 31,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.70 : 81,496.62 = 21,032.98 : x
  2. Step 2: Convert to fraction form
    54,335.70/81,496.62 = 21,032.98/x
  3. Step 3: Cross multiply
    54,335.70x = 81,496.62 × 21,032.98
  4. Step 4: Simplify right side
    54,335.70x = 1,714,116,371.04
  5. Step 5: Solve for x
    x = 1,714,116,371.04/54,335.70
  6. Step 6: Final answer
    x = 31,546.78

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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.