Home / 38,601.18-53,269.83-21,833.82

Finding the Fourth Proportional to 38,601.18, 53,269.83 and 21,833.82

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Solution

The fourth proportional to 38,601.18, 53,269.83 and 21,833.82 is: 30,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.18 : 53,269.83 = 21,833.82 : x
  2. Step 2: Convert to fraction form
    38,601.18/53,269.83 = 21,833.82/x
  3. Step 3: Cross multiply
    38,601.18x = 53,269.83 × 21,833.82
  4. Step 4: Simplify right side
    38,601.18x = 1,163,083,879.65
  5. Step 5: Solve for x
    x = 1,163,083,879.65/38,601.18
  6. Step 6: Final answer
    x = 30,130.79

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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.