Home / 54,989.47-82,538.88-25,413.94

Finding the Fourth Proportional to 54,989.47, 82,538.88 and 25,413.94

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Solution

The fourth proportional to 54,989.47, 82,538.88 and 25,413.94 is: 38,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,989.47 : 82,538.88 = 25,413.94 : x
  2. Step 2: Convert to fraction form
    54,989.47/82,538.88 = 25,413.94/x
  3. Step 3: Cross multiply
    54,989.47x = 82,538.88 × 25,413.94
  4. Step 4: Simplify right side
    54,989.47x = 2,097,638,143.99
  5. Step 5: Solve for x
    x = 2,097,638,143.99/54,989.47
  6. Step 6: Final answer
    x = 38,146.18

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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.