Home / 39,708.48-59,562.96-13,413.36

Finding the Fourth Proportional to 39,708.48, 59,562.96 and 13,413.36

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Solution

The fourth proportional to 39,708.48, 59,562.96 and 13,413.36 is: 20,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.48 : 59,562.96 = 13,413.36 : x
  2. Step 2: Convert to fraction form
    39,708.48/59,562.96 = 13,413.36/x
  3. Step 3: Cross multiply
    39,708.48x = 59,562.96 × 13,413.36
  4. Step 4: Simplify right side
    39,708.48x = 798,939,425.15
  5. Step 5: Solve for x
    x = 798,939,425.15/39,708.48
  6. Step 6: Final answer
    x = 20,120.12

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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.