Home / 31,368.70-43,288.89-17,222.46

Finding the Fourth Proportional to 31,368.70, 43,288.89 and 17,222.46

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Solution

The fourth proportional to 31,368.70, 43,288.89 and 17,222.46 is: 23,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.70 : 43,288.89 = 17,222.46 : x
  2. Step 2: Convert to fraction form
    31,368.70/43,288.89 = 17,222.46/x
  3. Step 3: Cross multiply
    31,368.70x = 43,288.89 × 17,222.46
  4. Step 4: Simplify right side
    31,368.70x = 745,540,949.55
  5. Step 5: Solve for x
    x = 745,540,949.55/31,368.70
  6. Step 6: Final answer
    x = 23,767.03

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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.