Home / 39,413.48-59,113.74-11,705

Finding the Fourth Proportional to 39,413.48, 59,113.74 and 11,705

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Solution

The fourth proportional to 39,413.48, 59,113.74 and 11,705 is: 17,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.48 : 59,113.74 = 11,705 : x
  2. Step 2: Convert to fraction form
    39,413.48/59,113.74 = 11,705/x
  3. Step 3: Cross multiply
    39,413.48x = 59,113.74 × 11,705
  4. Step 4: Simplify right side
    39,413.48x = 691,926,326.70
  5. Step 5: Solve for x
    x = 691,926,326.70/39,413.48
  6. Step 6: Final answer
    x = 17,555.58

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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.