Home / 31,716.24-47,575.52-10,656.96

Finding the Fourth Proportional to 31,716.24, 47,575.52 and 10,656.96

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Solution

The fourth proportional to 31,716.24, 47,575.52 and 10,656.96 is: 15,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.24 : 47,575.52 = 10,656.96 : x
  2. Step 2: Convert to fraction form
    31,716.24/47,575.52 = 10,656.96/x
  3. Step 3: Cross multiply
    31,716.24x = 47,575.52 × 10,656.96
  4. Step 4: Simplify right side
    31,716.24x = 507,010,413.62
  5. Step 5: Solve for x
    x = 507,010,413.62/31,716.24
  6. Step 6: Final answer
    x = 15,985.83

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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.