Home / 65,683.62-98,539.27-21,306.91

Finding the Fourth Proportional to 65,683.62, 98,539.27 and 21,306.91

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Solution

The fourth proportional to 65,683.62, 98,539.27 and 21,306.91 is: 31,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,683.62 : 98,539.27 = 21,306.91 : x
  2. Step 2: Convert to fraction form
    65,683.62/98,539.27 = 21,306.91/x
  3. Step 3: Cross multiply
    65,683.62x = 98,539.27 × 21,306.91
  4. Step 4: Simplify right side
    65,683.62x = 2,099,567,057.74
  5. Step 5: Solve for x
    x = 2,099,567,057.74/65,683.62
  6. Step 6: Final answer
    x = 31,964.85

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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.