Home / 39,003.67-53,825-21,098.62

Finding the Fourth Proportional to 39,003.67, 53,825 and 21,098.62

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Solution

The fourth proportional to 39,003.67, 53,825 and 21,098.62 is: 29,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.67 : 53,825 = 21,098.62 : x
  2. Step 2: Convert to fraction form
    39,003.67/53,825 = 21,098.62/x
  3. Step 3: Cross multiply
    39,003.67x = 53,825 × 21,098.62
  4. Step 4: Simplify right side
    39,003.67x = 1,135,633,221.50
  5. Step 5: Solve for x
    x = 1,135,633,221.50/39,003.67
  6. Step 6: Final answer
    x = 29,116.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.