Home / 31,190.81-46,786.63-10,414.31

Finding the Fourth Proportional to 31,190.81, 46,786.63 and 10,414.31

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Solution

The fourth proportional to 31,190.81, 46,786.63 and 10,414.31 is: 15,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.81 : 46,786.63 = 10,414.31 : x
  2. Step 2: Convert to fraction form
    31,190.81/46,786.63 = 10,414.31/x
  3. Step 3: Cross multiply
    31,190.81x = 46,786.63 × 10,414.31
  4. Step 4: Simplify right side
    31,190.81x = 487,250,559.61
  5. Step 5: Solve for x
    x = 487,250,559.61/31,190.81
  6. Step 6: Final answer
    x = 15,621.61

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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.