Home / 31,384.40-43,310.30-17,044.10

Finding the Fourth Proportional to 31,384.40, 43,310.30 and 17,044.10

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Solution

The fourth proportional to 31,384.40, 43,310.30 and 17,044.10 is: 23,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.40 : 43,310.30 = 17,044.10 : x
  2. Step 2: Convert to fraction form
    31,384.40/43,310.30 = 17,044.10/x
  3. Step 3: Cross multiply
    31,384.40x = 43,310.30 × 17,044.10
  4. Step 4: Simplify right side
    31,384.40x = 738,184,782.46
  5. Step 5: Solve for x
    x = 738,184,782.46/31,384.40
  6. Step 6: Final answer
    x = 23,520.76

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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.