Home / 34,413.45-47,489.81-19,305.83

Finding the Fourth Proportional to 34,413.45, 47,489.81 and 19,305.83

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Solution

The fourth proportional to 34,413.45, 47,489.81 and 19,305.83 is: 26,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.45 : 47,489.81 = 19,305.83 : x
  2. Step 2: Convert to fraction form
    34,413.45/47,489.81 = 19,305.83/x
  3. Step 3: Cross multiply
    34,413.45x = 47,489.81 × 19,305.83
  4. Step 4: Simplify right side
    34,413.45x = 916,830,198.59
  5. Step 5: Solve for x
    x = 916,830,198.59/34,413.45
  6. Step 6: Final answer
    x = 26,641.62

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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.