Home / 31,861.72-43,969.38-17,714.68

Finding the Fourth Proportional to 31,861.72, 43,969.38 and 17,714.68

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Solution

The fourth proportional to 31,861.72, 43,969.38 and 17,714.68 is: 24,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.72 : 43,969.38 = 17,714.68 : x
  2. Step 2: Convert to fraction form
    31,861.72/43,969.38 = 17,714.68/x
  3. Step 3: Cross multiply
    31,861.72x = 43,969.38 × 17,714.68
  4. Step 4: Simplify right side
    31,861.72x = 778,903,496.50
  5. Step 5: Solve for x
    x = 778,903,496.50/31,861.72
  6. Step 6: Final answer
    x = 24,446.37

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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.