Home / 31,191.94-46,788.32-10,415.44

Finding the Fourth Proportional to 31,191.94, 46,788.32 and 10,415.44

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Solution

The fourth proportional to 31,191.94, 46,788.32 and 10,415.44 is: 15,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.94 : 46,788.32 = 10,415.44 : x
  2. Step 2: Convert to fraction form
    31,191.94/46,788.32 = 10,415.44/x
  3. Step 3: Cross multiply
    31,191.94x = 46,788.32 × 10,415.44
  4. Step 4: Simplify right side
    31,191.94x = 487,320,770.61
  5. Step 5: Solve for x
    x = 487,320,770.61/31,191.94
  6. Step 6: Final answer
    x = 15,623.29

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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.