Home / 54,329.76-81,506.88-19,269.36

Finding the Fourth Proportional to 54,329.76, 81,506.88 and 19,269.36

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Solution

The fourth proportional to 54,329.76, 81,506.88 and 19,269.36 is: 28,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.76 : 81,506.88 = 19,269.36 : x
  2. Step 2: Convert to fraction form
    54,329.76/81,506.88 = 19,269.36/x
  3. Step 3: Cross multiply
    54,329.76x = 81,506.88 × 19,269.36
  4. Step 4: Simplify right side
    54,329.76x = 1,570,585,413.20
  5. Step 5: Solve for x
    x = 1,570,585,413.20/54,329.76
  6. Step 6: Final answer
    x = 28,908.38

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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.