Home / 37,589.47-51,755.12-31,912.99

Finding the Fourth Proportional to 37,589.47, 51,755.12 and 31,912.99

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Solution

The fourth proportional to 37,589.47, 51,755.12 and 31,912.99 is: 43,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,589.47 : 51,755.12 = 31,912.99 : x
  2. Step 2: Convert to fraction form
    37,589.47/51,755.12 = 31,912.99/x
  3. Step 3: Cross multiply
    37,589.47x = 51,755.12 × 31,912.99
  4. Step 4: Simplify right side
    37,589.47x = 1,651,660,457.73
  5. Step 5: Solve for x
    x = 1,651,660,457.73/37,589.47
  6. Step 6: Final answer
    x = 43,939.45

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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.