Home / 65,217.78-97,823.30-18,470.79

Finding the Fourth Proportional to 65,217.78, 97,823.30 and 18,470.79

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Solution

The fourth proportional to 65,217.78, 97,823.30 and 18,470.79 is: 27,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,217.78 : 97,823.30 = 18,470.79 : x
  2. Step 2: Convert to fraction form
    65,217.78/97,823.30 = 18,470.79/x
  3. Step 3: Cross multiply
    65,217.78x = 97,823.30 × 18,470.79
  4. Step 4: Simplify right side
    65,217.78x = 1,806,873,539.05
  5. Step 5: Solve for x
    x = 1,806,873,539.05/65,217.78
  6. Step 6: Final answer
    x = 27,705.23

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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.