Home / 30,177.69-41,644.90-16,749.06

Finding the Fourth Proportional to 30,177.69, 41,644.90 and 16,749.06

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Solution

The fourth proportional to 30,177.69, 41,644.90 and 16,749.06 is: 23,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.69 : 41,644.90 = 16,749.06 : x
  2. Step 2: Convert to fraction form
    30,177.69/41,644.90 = 16,749.06/x
  3. Step 3: Cross multiply
    30,177.69x = 41,644.90 × 16,749.06
  4. Step 4: Simplify right side
    30,177.69x = 697,512,793.56
  5. Step 5: Solve for x
    x = 697,512,793.56/30,177.69
  6. Step 6: Final answer
    x = 23,113.53

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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.