Home / 34,413.31-51,634.55-18,812.71

Finding the Fourth Proportional to 34,413.31, 51,634.55 and 18,812.71

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Solution

The fourth proportional to 34,413.31, 51,634.55 and 18,812.71 is: 28,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.31 : 51,634.55 = 18,812.71 : x
  2. Step 2: Convert to fraction form
    34,413.31/51,634.55 = 18,812.71/x
  3. Step 3: Cross multiply
    34,413.31x = 51,634.55 × 18,812.71
  4. Step 4: Simplify right side
    34,413.31x = 971,385,815.13
  5. Step 5: Solve for x
    x = 971,385,815.13/34,413.31
  6. Step 6: Final answer
    x = 28,227.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.