Home / 30,855.40-46,273.52-11,131.38

Finding the Fourth Proportional to 30,855.40, 46,273.52 and 11,131.38

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Solution

The fourth proportional to 30,855.40, 46,273.52 and 11,131.38 is: 16,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.40 : 46,273.52 = 11,131.38 : x
  2. Step 2: Convert to fraction form
    30,855.40/46,273.52 = 11,131.38/x
  3. Step 3: Cross multiply
    30,855.40x = 46,273.52 × 11,131.38
  4. Step 4: Simplify right side
    30,855.40x = 515,088,135.06
  5. Step 5: Solve for x
    x = 515,088,135.06/30,855.40
  6. Step 6: Final answer
    x = 16,693.61

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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.