Home / 36,268.72-54,413.24-12,897.52

Finding the Fourth Proportional to 36,268.72, 54,413.24 and 12,897.52

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Solution

The fourth proportional to 36,268.72, 54,413.24 and 12,897.52 is: 19,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.72 : 54,413.24 = 12,897.52 : x
  2. Step 2: Convert to fraction form
    36,268.72/54,413.24 = 12,897.52/x
  3. Step 3: Cross multiply
    36,268.72x = 54,413.24 × 12,897.52
  4. Step 4: Simplify right side
    36,268.72x = 701,795,851.16
  5. Step 5: Solve for x
    x = 701,795,851.16/36,268.72
  6. Step 6: Final answer
    x = 19,349.89

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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.