Home / 37,610.20-51,900.26-21,699.78

Finding the Fourth Proportional to 37,610.20, 51,900.26 and 21,699.78

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Solution

The fourth proportional to 37,610.20, 51,900.26 and 21,699.78 is: 29,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,610.20 : 51,900.26 = 21,699.78 : x
  2. Step 2: Convert to fraction form
    37,610.20/51,900.26 = 21,699.78/x
  3. Step 3: Cross multiply
    37,610.20x = 51,900.26 × 21,699.78
  4. Step 4: Simplify right side
    37,610.20x = 1,126,224,223.94
  5. Step 5: Solve for x
    x = 1,126,224,223.94/37,610.20
  6. Step 6: Final answer
    x = 29,944.65

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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.