Home / 36,945.12-50,983.56-21,029.22

Finding the Fourth Proportional to 36,945.12, 50,983.56 and 21,029.22

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Solution

The fourth proportional to 36,945.12, 50,983.56 and 21,029.22 is: 29,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.12 : 50,983.56 = 21,029.22 : x
  2. Step 2: Convert to fraction form
    36,945.12/50,983.56 = 21,029.22/x
  3. Step 3: Cross multiply
    36,945.12x = 50,983.56 × 21,029.22
  4. Step 4: Simplify right side
    36,945.12x = 1,072,144,499.62
  5. Step 5: Solve for x
    x = 1,072,144,499.62/36,945.12
  6. Step 6: Final answer
    x = 29,019.92

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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.