Home / 48,291.73-72,413.88-20,203.36

Finding the Fourth Proportional to 48,291.73, 72,413.88 and 20,203.36

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Solution

The fourth proportional to 48,291.73, 72,413.88 and 20,203.36 is: 30,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291.73 : 72,413.88 = 20,203.36 : x
  2. Step 2: Convert to fraction form
    48,291.73/72,413.88 = 20,203.36/x
  3. Step 3: Cross multiply
    48,291.73x = 72,413.88 × 20,203.36
  4. Step 4: Simplify right side
    48,291.73x = 1,463,003,686.64
  5. Step 5: Solve for x
    x = 1,463,003,686.64/48,291.73
  6. Step 6: Final answer
    x = 30,295.12

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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.