Home / 36,668.50-55,010.75-20,880.99

Finding the Fourth Proportional to 36,668.50, 55,010.75 and 20,880.99

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Solution

The fourth proportional to 36,668.50, 55,010.75 and 20,880.99 is: 31,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.50 : 55,010.75 = 20,880.99 : x
  2. Step 2: Convert to fraction form
    36,668.50/55,010.75 = 20,880.99/x
  3. Step 3: Cross multiply
    36,668.50x = 55,010.75 × 20,880.99
  4. Step 4: Simplify right side
    36,668.50x = 1,148,678,816.24
  5. Step 5: Solve for x
    x = 1,148,678,816.24/36,668.50
  6. Step 6: Final answer
    x = 31,326.04

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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.