Home / 36,556.20-54,834.30-20,809.80

Finding the Fourth Proportional to 36,556.20, 54,834.30 and 20,809.80

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Solution

The fourth proportional to 36,556.20, 54,834.30 and 20,809.80 is: 31,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.20 : 54,834.30 = 20,809.80 : x
  2. Step 2: Convert to fraction form
    36,556.20/54,834.30 = 20,809.80/x
  3. Step 3: Cross multiply
    36,556.20x = 54,834.30 × 20,809.80
  4. Step 4: Simplify right side
    36,556.20x = 1,141,090,816.14
  5. Step 5: Solve for x
    x = 1,141,090,816.14/36,556.20
  6. Step 6: Final answer
    x = 31,214.70

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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.