Home / 31,211.56-43,072.62-17,065.72

Finding the Fourth Proportional to 31,211.56, 43,072.62 and 17,065.72

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Solution

The fourth proportional to 31,211.56, 43,072.62 and 17,065.72 is: 23,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.56 : 43,072.62 = 17,065.72 : x
  2. Step 2: Convert to fraction form
    31,211.56/43,072.62 = 17,065.72/x
  3. Step 3: Cross multiply
    31,211.56x = 43,072.62 × 17,065.72
  4. Step 4: Simplify right side
    31,211.56x = 735,065,272.59
  5. Step 5: Solve for x
    x = 735,065,272.59/31,211.56
  6. Step 6: Final answer
    x = 23,551.06

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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.