Home / 34,180.76-47,183.84-20,756.34

Finding the Fourth Proportional to 34,180.76, 47,183.84 and 20,756.34

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Solution

The fourth proportional to 34,180.76, 47,183.84 and 20,756.34 is: 28,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,180.76 : 47,183.84 = 20,756.34 : x
  2. Step 2: Convert to fraction form
    34,180.76/47,183.84 = 20,756.34/x
  3. Step 3: Cross multiply
    34,180.76x = 47,183.84 × 20,756.34
  4. Step 4: Simplify right side
    34,180.76x = 979,363,791.63
  5. Step 5: Solve for x
    x = 979,363,791.63/34,180.76
  6. Step 6: Final answer
    x = 28,652.49

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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.