Home / 38,379.24-52,963.08-21,382.62

Finding the Fourth Proportional to 38,379.24, 52,963.08 and 21,382.62

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Solution

The fourth proportional to 38,379.24, 52,963.08 and 21,382.62 is: 29,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.24 : 52,963.08 = 21,382.62 : x
  2. Step 2: Convert to fraction form
    38,379.24/52,963.08 = 21,382.62/x
  3. Step 3: Cross multiply
    38,379.24x = 52,963.08 × 21,382.62
  4. Step 4: Simplify right side
    38,379.24x = 1,132,489,413.67
  5. Step 5: Solve for x
    x = 1,132,489,413.67/38,379.24
  6. Step 6: Final answer
    x = 29,507.86

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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.