Home / 31,941.36-47,942.76-29,929.20

Finding the Fourth Proportional to 31,941.36, 47,942.76 and 29,929.20

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Solution

The fourth proportional to 31,941.36, 47,942.76 and 29,929.20 is: 44,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.36 : 47,942.76 = 29,929.20 : x
  2. Step 2: Convert to fraction form
    31,941.36/47,942.76 = 29,929.20/x
  3. Step 3: Cross multiply
    31,941.36x = 47,942.76 × 29,929.20
  4. Step 4: Simplify right side
    31,941.36x = 1,434,888,452.59
  5. Step 5: Solve for x
    x = 1,434,888,452.59/31,941.36
  6. Step 6: Final answer
    x = 44,922.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.