Home / 54,335.42-81,496.20-21,032.70

Finding the Fourth Proportional to 54,335.42, 81,496.20 and 21,032.70

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Solution

The fourth proportional to 54,335.42, 81,496.20 and 21,032.70 is: 31,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.42 : 81,496.20 = 21,032.70 : x
  2. Step 2: Convert to fraction form
    54,335.42/81,496.20 = 21,032.70/x
  3. Step 3: Cross multiply
    54,335.42x = 81,496.20 × 21,032.70
  4. Step 4: Simplify right side
    54,335.42x = 1,714,085,125.74
  5. Step 5: Solve for x
    x = 1,714,085,125.74/54,335.42
  6. Step 6: Final answer
    x = 31,546.37

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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.