Home / 34,413.66-47,489.94-19,305.06

Finding the Fourth Proportional to 34,413.66, 47,489.94 and 19,305.06

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Solution

The fourth proportional to 34,413.66, 47,489.94 and 19,305.06 is: 26,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.66 : 47,489.94 = 19,305.06 : x
  2. Step 2: Convert to fraction form
    34,413.66/47,489.94 = 19,305.06/x
  3. Step 3: Cross multiply
    34,413.66x = 47,489.94 × 19,305.06
  4. Step 4: Simplify right side
    34,413.66x = 916,796,141.10
  5. Step 5: Solve for x
    x = 916,796,141.10/34,413.66
  6. Step 6: Final answer
    x = 26,640.47

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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.