Home / 30,480.97-45,723.24-11,761.11

Finding the Fourth Proportional to 30,480.97, 45,723.24 and 11,761.11

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Solution

The fourth proportional to 30,480.97, 45,723.24 and 11,761.11 is: 17,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.97 : 45,723.24 = 11,761.11 : x
  2. Step 2: Convert to fraction form
    30,480.97/45,723.24 = 11,761.11/x
  3. Step 3: Cross multiply
    30,480.97x = 45,723.24 × 11,761.11
  4. Step 4: Simplify right side
    30,480.97x = 537,756,055.20
  5. Step 5: Solve for x
    x = 537,756,055.20/30,480.97
  6. Step 6: Final answer
    x = 17,642.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.