Home / 36,309.65-50,101.88-20,391.03

Finding the Fourth Proportional to 36,309.65, 50,101.88 and 20,391.03

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Solution

The fourth proportional to 36,309.65, 50,101.88 and 20,391.03 is: 28,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.65 : 50,101.88 = 20,391.03 : x
  2. Step 2: Convert to fraction form
    36,309.65/50,101.88 = 20,391.03/x
  3. Step 3: Cross multiply
    36,309.65x = 50,101.88 × 20,391.03
  4. Step 4: Simplify right side
    36,309.65x = 1,021,628,836.18
  5. Step 5: Solve for x
    x = 1,021,628,836.18/36,309.65
  6. Step 6: Final answer
    x = 28,136.57

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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.