Home / 30,266.70-41,761.17-18,327.51

Finding the Fourth Proportional to 30,266.70, 41,761.17 and 18,327.51

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Solution

The fourth proportional to 30,266.70, 41,761.17 and 18,327.51 is: 25,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.70 : 41,761.17 = 18,327.51 : x
  2. Step 2: Convert to fraction form
    30,266.70/41,761.17 = 18,327.51/x
  3. Step 3: Cross multiply
    30,266.70x = 41,761.17 × 18,327.51
  4. Step 4: Simplify right side
    30,266.70x = 765,378,260.79
  5. Step 5: Solve for x
    x = 765,378,260.79/30,266.70
  6. Step 6: Final answer
    x = 25,287.80

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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.