Home / 34,879.12-48,133.23-18,963.52

Finding the Fourth Proportional to 34,879.12, 48,133.23 and 18,963.52

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Solution

The fourth proportional to 34,879.12, 48,133.23 and 18,963.52 is: 26,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.12 : 48,133.23 = 18,963.52 : x
  2. Step 2: Convert to fraction form
    34,879.12/48,133.23 = 18,963.52/x
  3. Step 3: Cross multiply
    34,879.12x = 48,133.23 × 18,963.52
  4. Step 4: Simplify right side
    34,879.12x = 912,775,469.77
  5. Step 5: Solve for x
    x = 912,775,469.77/34,879.12
  6. Step 6: Final answer
    x = 26,169.68

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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.