Home / 41,765.49-57,712.64-30,415.23

Finding the Fourth Proportional to 41,765.49, 57,712.64 and 30,415.23

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Solution

The fourth proportional to 41,765.49, 57,712.64 and 30,415.23 is: 42,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,765.49 : 57,712.64 = 30,415.23 : x
  2. Step 2: Convert to fraction form
    41,765.49/57,712.64 = 30,415.23/x
  3. Step 3: Cross multiply
    41,765.49x = 57,712.64 × 30,415.23
  4. Step 4: Simplify right side
    41,765.49x = 1,755,343,067.43
  5. Step 5: Solve for x
    x = 1,755,343,067.43/41,765.49
  6. Step 6: Final answer
    x = 42,028.55

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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.