Home / 54,727.41-82,413.21-47,790.57

Finding the Fourth Proportional to 54,727.41, 82,413.21 and 47,790.57

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Solution

The fourth proportional to 54,727.41, 82,413.21 and 47,790.57 is: 71,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,727.41 : 82,413.21 = 47,790.57 : x
  2. Step 2: Convert to fraction form
    54,727.41/82,413.21 = 47,790.57/x
  3. Step 3: Cross multiply
    54,727.41x = 82,413.21 × 47,790.57
  4. Step 4: Simplify right side
    54,727.41x = 3,938,574,281.43
  5. Step 5: Solve for x
    x = 3,938,574,281.43/54,727.41
  6. Step 6: Final answer
    x = 71,967.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.