Home / 20,808.36-31,195.26-14,550.48

Finding the Fourth Proportional to 20,808.36, 31,195.26 and 14,550.48

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Solution

The fourth proportional to 20,808.36, 31,195.26 and 14,550.48 is: 21,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.36 : 31,195.26 = 14,550.48 : x
  2. Step 2: Convert to fraction form
    20,808.36/31,195.26 = 14,550.48/x
  3. Step 3: Cross multiply
    20,808.36x = 31,195.26 × 14,550.48
  4. Step 4: Simplify right side
    20,808.36x = 453,906,006.72
  5. Step 5: Solve for x
    x = 453,906,006.72/20,808.36
  6. Step 6: Final answer
    x = 21,813.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.