Home / 30,177.78-41,644.54-16,748.69

Finding the Fourth Proportional to 30,177.78, 41,644.54 and 16,748.69

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Solution

The fourth proportional to 30,177.78, 41,644.54 and 16,748.69 is: 23,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.78 : 41,644.54 = 16,748.69 : x
  2. Step 2: Convert to fraction form
    30,177.78/41,644.54 = 16,748.69/x
  3. Step 3: Cross multiply
    30,177.78x = 41,644.54 × 16,748.69
  4. Step 4: Simplify right side
    30,177.78x = 697,491,240.56
  5. Step 5: Solve for x
    x = 697,491,240.56/30,177.78
  6. Step 6: Final answer
    x = 23,112.74

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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.