Home / 34,756.72-47,963.76-19,648.85

Finding the Fourth Proportional to 34,756.72, 47,963.76 and 19,648.85

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Solution

The fourth proportional to 34,756.72, 47,963.76 and 19,648.85 is: 27,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.72 : 47,963.76 = 19,648.85 : x
  2. Step 2: Convert to fraction form
    34,756.72/47,963.76 = 19,648.85/x
  3. Step 3: Cross multiply
    34,756.72x = 47,963.76 × 19,648.85
  4. Step 4: Simplify right side
    34,756.72x = 942,432,725.68
  5. Step 5: Solve for x
    x = 942,432,725.68/34,756.72
  6. Step 6: Final answer
    x = 27,115.12

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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.