Home / 39,360.44-54,317.97-21,455.44

Finding the Fourth Proportional to 39,360.44, 54,317.97 and 21,455.44

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Solution

The fourth proportional to 39,360.44, 54,317.97 and 21,455.44 is: 29,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360.44 : 54,317.97 = 21,455.44 : x
  2. Step 2: Convert to fraction form
    39,360.44/54,317.97 = 21,455.44/x
  3. Step 3: Cross multiply
    39,360.44x = 54,317.97 × 21,455.44
  4. Step 4: Simplify right side
    39,360.44x = 1,165,415,946.26
  5. Step 5: Solve for x
    x = 1,165,415,946.26/39,360.44
  6. Step 6: Final answer
    x = 29,608.81

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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.