Home / 66,839.36-100,227.02-22,453.78

Finding the Fourth Proportional to 66,839.36, 100,227.02 and 22,453.78

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Solution

The fourth proportional to 66,839.36, 100,227.02 and 22,453.78 is: 33,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,839.36 : 100,227.02 = 22,453.78 : x
  2. Step 2: Convert to fraction form
    66,839.36/100,227.02 = 22,453.78/x
  3. Step 3: Cross multiply
    66,839.36x = 100,227.02 × 22,453.78
  4. Step 4: Simplify right side
    66,839.36x = 2,250,475,457.14
  5. Step 5: Solve for x
    x = 2,250,475,457.14/66,839.36
  6. Step 6: Final answer
    x = 33,669.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.