Home / 30,177.65-41,644.37-16,748.56

Finding the Fourth Proportional to 30,177.65, 41,644.37 and 16,748.56

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Solution

The fourth proportional to 30,177.65, 41,644.37 and 16,748.56 is: 23,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.65 : 41,644.37 = 16,748.56 : x
  2. Step 2: Convert to fraction form
    30,177.65/41,644.37 = 16,748.56/x
  3. Step 3: Cross multiply
    30,177.65x = 41,644.37 × 16,748.56
  4. Step 4: Simplify right side
    30,177.65x = 697,483,229.61
  5. Step 5: Solve for x
    x = 697,483,229.61/30,177.65
  6. Step 6: Final answer
    x = 23,112.58

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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.