Home / 31,460.43-43,415.70-17,313.60

Finding the Fourth Proportional to 31,460.43, 43,415.70 and 17,313.60

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Solution

The fourth proportional to 31,460.43, 43,415.70 and 17,313.60 is: 23,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.43 : 43,415.70 = 17,313.60 : x
  2. Step 2: Convert to fraction form
    31,460.43/43,415.70 = 17,313.60/x
  3. Step 3: Cross multiply
    31,460.43x = 43,415.70 × 17,313.60
  4. Step 4: Simplify right side
    31,460.43x = 751,682,063.52
  5. Step 5: Solve for x
    x = 751,682,063.52/31,460.43
  6. Step 6: Final answer
    x = 23,892.94

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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.