Home / 30,855.47-46,273.62-11,131.45

Finding the Fourth Proportional to 30,855.47, 46,273.62 and 11,131.45

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Solution

The fourth proportional to 30,855.47, 46,273.62 and 11,131.45 is: 16,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.47 : 46,273.62 = 11,131.45 : x
  2. Step 2: Convert to fraction form
    30,855.47/46,273.62 = 11,131.45/x
  3. Step 3: Cross multiply
    30,855.47x = 46,273.62 × 11,131.45
  4. Step 4: Simplify right side
    30,855.47x = 515,092,413.41
  5. Step 5: Solve for x
    x = 515,092,413.41/30,855.47
  6. Step 6: Final answer
    x = 16,693.72

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1.5x scale

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.