Home / 39,829.75-54,964.60-21,924.36

Finding the Fourth Proportional to 39,829.75, 54,964.60 and 21,924.36

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Solution

The fourth proportional to 39,829.75, 54,964.60 and 21,924.36 is: 30,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.75 : 54,964.60 = 21,924.36 : x
  2. Step 2: Convert to fraction form
    39,829.75/54,964.60 = 21,924.36/x
  3. Step 3: Cross multiply
    39,829.75x = 54,964.60 × 21,924.36
  4. Step 4: Simplify right side
    39,829.75x = 1,205,063,622.85
  5. Step 5: Solve for x
    x = 1,205,063,622.85/39,829.75
  6. Step 6: Final answer
    x = 30,255.37

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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.