Home / 34,879.16-48,133.60-18,963.97

Finding the Fourth Proportional to 34,879.16, 48,133.60 and 18,963.97

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Solution

The fourth proportional to 34,879.16, 48,133.60 and 18,963.97 is: 26,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.16 : 48,133.60 = 18,963.97 : x
  2. Step 2: Convert to fraction form
    34,879.16/48,133.60 = 18,963.97/x
  3. Step 3: Cross multiply
    34,879.16x = 48,133.60 × 18,963.97
  4. Step 4: Simplify right side
    34,879.16x = 912,803,978.65
  5. Step 5: Solve for x
    x = 912,803,978.65/34,879.16
  6. Step 6: Final answer
    x = 26,170.47

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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.