Home / 33,379.89-46,064.21-18,272.41

Finding the Fourth Proportional to 33,379.89, 46,064.21 and 18,272.41

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Solution

The fourth proportional to 33,379.89, 46,064.21 and 18,272.41 is: 25,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,379.89 : 46,064.21 = 18,272.41 : x
  2. Step 2: Convert to fraction form
    33,379.89/46,064.21 = 18,272.41/x
  3. Step 3: Cross multiply
    33,379.89x = 46,064.21 × 18,272.41
  4. Step 4: Simplify right side
    33,379.89x = 841,704,131.45
  5. Step 5: Solve for x
    x = 841,704,131.45/33,379.89
  6. Step 6: Final answer
    x = 25,215.90

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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.