Home / 51,413.20-70,949.71-28,751.93

Finding the Fourth Proportional to 51,413.20, 70,949.71 and 28,751.93

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Solution

The fourth proportional to 51,413.20, 70,949.71 and 28,751.93 is: 39,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,413.20 : 70,949.71 = 28,751.93 : x
  2. Step 2: Convert to fraction form
    51,413.20/70,949.71 = 28,751.93/x
  3. Step 3: Cross multiply
    51,413.20x = 70,949.71 × 28,751.93
  4. Step 4: Simplify right side
    51,413.20x = 2,039,941,095.44
  5. Step 5: Solve for x
    x = 2,039,941,095.44/51,413.20
  6. Step 6: Final answer
    x = 39,677.38

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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.