Home / 34,433.10-51,540.30-31,808.70

Finding the Fourth Proportional to 34,433.10, 51,540.30 and 31,808.70

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Solution

The fourth proportional to 34,433.10, 51,540.30 and 31,808.70 is: 47,612.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,433.10 : 51,540.30 = 31,808.70 : x
  2. Step 2: Convert to fraction form
    34,433.10/51,540.30 = 31,808.70/x
  3. Step 3: Cross multiply
    34,433.10x = 51,540.30 × 31,808.70
  4. Step 4: Simplify right side
    34,433.10x = 1,639,429,940.61
  5. Step 5: Solve for x
    x = 1,639,429,940.61/34,433.10
  6. Step 6: Final answer
    x = 47,612.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.