Home / 39,216.25-54,115.58-22,220.83

Finding the Fourth Proportional to 39,216.25, 54,115.58 and 22,220.83

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Solution

The fourth proportional to 39,216.25, 54,115.58 and 22,220.83 is: 30,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.25 : 54,115.58 = 22,220.83 : x
  2. Step 2: Convert to fraction form
    39,216.25/54,115.58 = 22,220.83/x
  3. Step 3: Cross multiply
    39,216.25x = 54,115.58 × 22,220.83
  4. Step 4: Simplify right side
    39,216.25x = 1,202,492,721.85
  5. Step 5: Solve for x
    x = 1,202,492,721.85/39,216.25
  6. Step 6: Final answer
    x = 30,663.13

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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.