Home / 39,067.50-53,913.84-21,163.26

Finding the Fourth Proportional to 39,067.50, 53,913.84 and 21,163.26

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Solution

The fourth proportional to 39,067.50, 53,913.84 and 21,163.26 is: 29,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.50 : 53,913.84 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    39,067.50/53,913.84 = 21,163.26/x
  3. Step 3: Cross multiply
    39,067.50x = 53,913.84 × 21,163.26
  4. Step 4: Simplify right side
    39,067.50x = 1,140,992,613.52
  5. Step 5: Solve for x
    x = 1,140,992,613.52/39,067.50
  6. Step 6: Final answer
    x = 29,205.67

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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.