Home / 37,671.36-51,991.08-21,755.79

Finding the Fourth Proportional to 37,671.36, 51,991.08 and 21,755.79

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Solution

The fourth proportional to 37,671.36, 51,991.08 and 21,755.79 is: 30,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,671.36 : 51,991.08 = 21,755.79 : x
  2. Step 2: Convert to fraction form
    37,671.36/51,991.08 = 21,755.79/x
  3. Step 3: Cross multiply
    37,671.36x = 51,991.08 × 21,755.79
  4. Step 4: Simplify right side
    37,671.36x = 1,131,107,018.35
  5. Step 5: Solve for x
    x = 1,131,107,018.35/37,671.36
  6. Step 6: Final answer
    x = 30,025.65

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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.