Home / 65,181.84-97,787.52-20,811.48

Finding the Fourth Proportional to 65,181.84, 97,787.52 and 20,811.48

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Solution

The fourth proportional to 65,181.84, 97,787.52 and 20,811.48 is: 31,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181.84 : 97,787.52 = 20,811.48 : x
  2. Step 2: Convert to fraction form
    65,181.84/97,787.52 = 20,811.48/x
  3. Step 3: Cross multiply
    65,181.84x = 97,787.52 × 20,811.48
  4. Step 4: Simplify right side
    65,181.84x = 2,035,103,016.73
  5. Step 5: Solve for x
    x = 2,035,103,016.73/65,181.84
  6. Step 6: Final answer
    x = 31,221.93

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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.