Home / 36,920.26-50,954.23-21,007.20

Finding the Fourth Proportional to 36,920.26, 50,954.23 and 21,007.20

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Solution

The fourth proportional to 36,920.26, 50,954.23 and 21,007.20 is: 28,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.26 : 50,954.23 = 21,007.20 : x
  2. Step 2: Convert to fraction form
    36,920.26/50,954.23 = 21,007.20/x
  3. Step 3: Cross multiply
    36,920.26x = 50,954.23 × 21,007.20
  4. Step 4: Simplify right side
    36,920.26x = 1,070,405,700.46
  5. Step 5: Solve for x
    x = 1,070,405,700.46/36,920.26
  6. Step 6: Final answer
    x = 28,992.37

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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.