Home / 55,031.58-75,942.63-29,880.54

Finding the Fourth Proportional to 55,031.58, 75,942.63 and 29,880.54

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Solution

The fourth proportional to 55,031.58, 75,942.63 and 29,880.54 is: 41,234.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.58 : 75,942.63 = 29,880.54 : x
  2. Step 2: Convert to fraction form
    55,031.58/75,942.63 = 29,880.54/x
  3. Step 3: Cross multiply
    55,031.58x = 75,942.63 × 29,880.54
  4. Step 4: Simplify right side
    55,031.58x = 2,269,206,793.42
  5. Step 5: Solve for x
    x = 2,269,206,793.42/55,031.58
  6. Step 6: Final answer
    x = 41,234.63

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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.