Home / 52,857.29-79,285.48-13,413.83

Finding the Fourth Proportional to 52,857.29, 79,285.48 and 13,413.83

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Solution

The fourth proportional to 52,857.29, 79,285.48 and 13,413.83 is: 20,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.29 : 79,285.48 = 13,413.83 : x
  2. Step 2: Convert to fraction form
    52,857.29/79,285.48 = 13,413.83/x
  3. Step 3: Cross multiply
    52,857.29x = 79,285.48 × 13,413.83
  4. Step 4: Simplify right side
    52,857.29x = 1,063,521,883.12
  5. Step 5: Solve for x
    x = 1,063,521,883.12/52,857.29
  6. Step 6: Final answer
    x = 20,120.63

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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.