Home / 31,368.36-43,288.41-17,222.12

Finding the Fourth Proportional to 31,368.36, 43,288.41 and 17,222.12

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Solution

The fourth proportional to 31,368.36, 43,288.41 and 17,222.12 is: 23,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.36 : 43,288.41 = 17,222.12 : x
  2. Step 2: Convert to fraction form
    31,368.36/43,288.41 = 17,222.12/x
  3. Step 3: Cross multiply
    31,368.36x = 43,288.41 × 17,222.12
  4. Step 4: Simplify right side
    31,368.36x = 745,517,889.08
  5. Step 5: Solve for x
    x = 745,517,889.08/31,368.36
  6. Step 6: Final answer
    x = 23,766.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.