Home / 43,644.20-65,466.30-31,137.80

Finding the Fourth Proportional to 43,644.20, 65,466.30 and 31,137.80

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Solution

The fourth proportional to 43,644.20, 65,466.30 and 31,137.80 is: 46,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,644.20 : 65,466.30 = 31,137.80 : x
  2. Step 2: Convert to fraction form
    43,644.20/65,466.30 = 31,137.80/x
  3. Step 3: Cross multiply
    43,644.20x = 65,466.30 × 31,137.80
  4. Step 4: Simplify right side
    43,644.20x = 2,038,476,556.14
  5. Step 5: Solve for x
    x = 2,038,476,556.14/43,644.20
  6. Step 6: Final answer
    x = 46,706.70

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1.5x scale

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.