Home / 31,313.22-43,211.88-17,166.06

Finding the Fourth Proportional to 31,313.22, 43,211.88 and 17,166.06

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Solution

The fourth proportional to 31,313.22, 43,211.88 and 17,166.06 is: 23,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.22 : 43,211.88 = 17,166.06 : x
  2. Step 2: Convert to fraction form
    31,313.22/43,211.88 = 17,166.06/x
  3. Step 3: Cross multiply
    31,313.22x = 43,211.88 × 17,166.06
  4. Step 4: Simplify right side
    31,313.22x = 741,777,724.79
  5. Step 5: Solve for x
    x = 741,777,724.79/31,313.22
  6. Step 6: Final answer
    x = 23,688.96

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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.