Home / 31,171.36-46,756.72-7,797.80

Finding the Fourth Proportional to 31,171.36, 46,756.72 and 7,797.80

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Solution

The fourth proportional to 31,171.36, 46,756.72 and 7,797.80 is: 11,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.36 : 46,756.72 = 7,797.80 : x
  2. Step 2: Convert to fraction form
    31,171.36/46,756.72 = 7,797.80/x
  3. Step 3: Cross multiply
    31,171.36x = 46,756.72 × 7,797.80
  4. Step 4: Simplify right side
    31,171.36x = 364,599,551.22
  5. Step 5: Solve for x
    x = 364,599,551.22/31,171.36
  6. Step 6: Final answer
    x = 11,696.62

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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.