Home / 39,217.25-54,116.95-22,221.83

Finding the Fourth Proportional to 39,217.25, 54,116.95 and 22,221.83

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Solution

The fourth proportional to 39,217.25, 54,116.95 and 22,221.83 is: 30,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.25 : 54,116.95 = 22,221.83 : x
  2. Step 2: Convert to fraction form
    39,217.25/54,116.95 = 22,221.83/x
  3. Step 3: Cross multiply
    39,217.25x = 54,116.95 × 22,221.83
  4. Step 4: Simplify right side
    39,217.25x = 1,202,577,663.02
  5. Step 5: Solve for x
    x = 1,202,577,663.02/39,217.25
  6. Step 6: Final answer
    x = 30,664.51

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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.