Home / 36,990.72-51,047.28-20,224.80

Finding the Fourth Proportional to 36,990.72, 51,047.28 and 20,224.80

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Solution

The fourth proportional to 36,990.72, 51,047.28 and 20,224.80 is: 27,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.72 : 51,047.28 = 20,224.80 : x
  2. Step 2: Convert to fraction form
    36,990.72/51,047.28 = 20,224.80/x
  3. Step 3: Cross multiply
    36,990.72x = 51,047.28 × 20,224.80
  4. Step 4: Simplify right side
    36,990.72x = 1,032,421,028.54
  5. Step 5: Solve for x
    x = 1,032,421,028.54/36,990.72
  6. Step 6: Final answer
    x = 27,910.27

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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.