Home / 31,106.30-46,659.45-10,329.80

Finding the Fourth Proportional to 31,106.30, 46,659.45 and 10,329.80

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Solution

The fourth proportional to 31,106.30, 46,659.45 and 10,329.80 is: 15,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.30 : 46,659.45 = 10,329.80 : x
  2. Step 2: Convert to fraction form
    31,106.30/46,659.45 = 10,329.80/x
  3. Step 3: Cross multiply
    31,106.30x = 46,659.45 × 10,329.80
  4. Step 4: Simplify right side
    31,106.30x = 481,982,786.61
  5. Step 5: Solve for x
    x = 481,982,786.61/31,106.30
  6. Step 6: Final answer
    x = 15,494.70

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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.