Home / 31,936.48-44,071.70-18,507.39

Finding the Fourth Proportional to 31,936.48, 44,071.70 and 18,507.39

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Solution

The fourth proportional to 31,936.48, 44,071.70 and 18,507.39 is: 25,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.48 : 44,071.70 = 18,507.39 : x
  2. Step 2: Convert to fraction form
    31,936.48/44,071.70 = 18,507.39/x
  3. Step 3: Cross multiply
    31,936.48x = 44,071.70 × 18,507.39
  4. Step 4: Simplify right side
    31,936.48x = 815,651,882.06
  5. Step 5: Solve for x
    x = 815,651,882.06/31,936.48
  6. Step 6: Final answer
    x = 25,539.82

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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.