Home / 45,611.88-62,939.80-31,283.94

Finding the Fourth Proportional to 45,611.88, 62,939.80 and 31,283.94

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Solution

The fourth proportional to 45,611.88, 62,939.80 and 31,283.94 is: 43,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.88 : 62,939.80 = 31,283.94 : x
  2. Step 2: Convert to fraction form
    45,611.88/62,939.80 = 31,283.94/x
  3. Step 3: Cross multiply
    45,611.88x = 62,939.80 × 31,283.94
  4. Step 4: Simplify right side
    45,611.88x = 1,969,004,847.90
  5. Step 5: Solve for x
    x = 1,969,004,847.90/45,611.88
  6. Step 6: Final answer
    x = 43,168.69

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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.