Home / 36,887.17-50,904.16-20,971.62

Finding the Fourth Proportional to 36,887.17, 50,904.16 and 20,971.62

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Solution

The fourth proportional to 36,887.17, 50,904.16 and 20,971.62 is: 28,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.17 : 50,904.16 = 20,971.62 : x
  2. Step 2: Convert to fraction form
    36,887.17/50,904.16 = 20,971.62/x
  3. Step 3: Cross multiply
    36,887.17x = 50,904.16 × 20,971.62
  4. Step 4: Simplify right side
    36,887.17x = 1,067,542,699.94
  5. Step 5: Solve for x
    x = 1,067,542,699.94/36,887.17
  6. Step 6: Final answer
    x = 28,940.76

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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.