Home / 31,118.20-46,662.70-11,382.95

Finding the Fourth Proportional to 31,118.20, 46,662.70 and 11,382.95

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Solution

The fourth proportional to 31,118.20, 46,662.70 and 11,382.95 is: 17,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.20 : 46,662.70 = 11,382.95 : x
  2. Step 2: Convert to fraction form
    31,118.20/46,662.70 = 11,382.95/x
  3. Step 3: Cross multiply
    31,118.20x = 46,662.70 × 11,382.95
  4. Step 4: Simplify right side
    31,118.20x = 531,159,180.97
  5. Step 5: Solve for x
    x = 531,159,180.97/31,118.20
  6. Step 6: Final answer
    x = 17,069.08

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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.