Home / 33,722.72-46,535.04-20,291.36

Finding the Fourth Proportional to 33,722.72, 46,535.04 and 20,291.36

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Solution

The fourth proportional to 33,722.72, 46,535.04 and 20,291.36 is: 28,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,722.72 : 46,535.04 = 20,291.36 : x
  2. Step 2: Convert to fraction form
    33,722.72/46,535.04 = 20,291.36/x
  3. Step 3: Cross multiply
    33,722.72x = 46,535.04 × 20,291.36
  4. Step 4: Simplify right side
    33,722.72x = 944,259,249.25
  5. Step 5: Solve for x
    x = 944,259,249.25/33,722.72
  6. Step 6: Final answer
    x = 28,000.68

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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.