Home / 65,683.43-98,538.99-21,306.73

Finding the Fourth Proportional to 65,683.43, 98,538.99 and 21,306.73

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Solution

The fourth proportional to 65,683.43, 98,538.99 and 21,306.73 is: 31,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,683.43 : 98,538.99 = 21,306.73 : x
  2. Step 2: Convert to fraction form
    65,683.43/98,538.99 = 21,306.73/x
  3. Step 3: Cross multiply
    65,683.43x = 98,538.99 × 21,306.73
  4. Step 4: Simplify right side
    65,683.43x = 2,099,543,654.40
  5. Step 5: Solve for x
    x = 2,099,543,654.40/65,683.43
  6. Step 6: Final answer
    x = 31,964.59

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1.5x scale

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.