Home / 36,287.10-50,072.76-20,368.44

Finding the Fourth Proportional to 36,287.10, 50,072.76 and 20,368.44

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Solution

The fourth proportional to 36,287.10, 50,072.76 and 20,368.44 is: 28,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.10 : 50,072.76 = 20,368.44 : x
  2. Step 2: Convert to fraction form
    36,287.10/50,072.76 = 20,368.44/x
  3. Step 3: Cross multiply
    36,287.10x = 50,072.76 × 20,368.44
  4. Step 4: Simplify right side
    36,287.10x = 1,019,904,007.69
  5. Step 5: Solve for x
    x = 1,019,904,007.69/36,287.10
  6. Step 6: Final answer
    x = 28,106.52

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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.