Home / 39,285.48-54,215.94-22,518.44

Finding the Fourth Proportional to 39,285.48, 54,215.94 and 22,518.44

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Solution

The fourth proportional to 39,285.48, 54,215.94 and 22,518.44 is: 31,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.48 : 54,215.94 = 22,518.44 : x
  2. Step 2: Convert to fraction form
    39,285.48/54,215.94 = 22,518.44/x
  3. Step 3: Cross multiply
    39,285.48x = 54,215.94 × 22,518.44
  4. Step 4: Simplify right side
    39,285.48x = 1,220,858,391.93
  5. Step 5: Solve for x
    x = 1,220,858,391.93/39,285.48
  6. Step 6: Final answer
    x = 31,076.58

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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.