Home / 31,385.10-43,311.31-17,044.99

Finding the Fourth Proportional to 31,385.10, 43,311.31 and 17,044.99

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Solution

The fourth proportional to 31,385.10, 43,311.31 and 17,044.99 is: 23,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.10 : 43,311.31 = 17,044.99 : x
  2. Step 2: Convert to fraction form
    31,385.10/43,311.31 = 17,044.99/x
  3. Step 3: Cross multiply
    31,385.10x = 43,311.31 × 17,044.99
  4. Step 4: Simplify right side
    31,385.10x = 738,240,845.84
  5. Step 5: Solve for x
    x = 738,240,845.84/31,385.10
  6. Step 6: Final answer
    x = 23,522.02

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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.