Home / 31,372.16-43,294.20-17,224.88

Finding the Fourth Proportional to 31,372.16, 43,294.20 and 17,224.88

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Solution

The fourth proportional to 31,372.16, 43,294.20 and 17,224.88 is: 23,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.16 : 43,294.20 = 17,224.88 : x
  2. Step 2: Convert to fraction form
    31,372.16/43,294.20 = 17,224.88/x
  3. Step 3: Cross multiply
    31,372.16x = 43,294.20 × 17,224.88
  4. Step 4: Simplify right side
    31,372.16x = 745,737,399.70
  5. Step 5: Solve for x
    x = 745,737,399.70/31,372.16
  6. Step 6: Final answer
    x = 23,770.67

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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.