Home / 49,647.56-68,529.30-31,742.63

Finding the Fourth Proportional to 49,647.56, 68,529.30 and 31,742.63

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Solution

The fourth proportional to 49,647.56, 68,529.30 and 31,742.63 is: 43,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.56 : 68,529.30 = 31,742.63 : x
  2. Step 2: Convert to fraction form
    49,647.56/68,529.30 = 31,742.63/x
  3. Step 3: Cross multiply
    49,647.56x = 68,529.30 × 31,742.63
  4. Step 4: Simplify right side
    49,647.56x = 2,175,300,618.03
  5. Step 5: Solve for x
    x = 2,175,300,618.03/49,647.56
  6. Step 6: Final answer
    x = 43,814.86

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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.