Home / 30,080.22-45,106.29-11,345.82

Finding the Fourth Proportional to 30,080.22, 45,106.29 and 11,345.82

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Solution

The fourth proportional to 30,080.22, 45,106.29 and 11,345.82 is: 17,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.22 : 45,106.29 = 11,345.82 : x
  2. Step 2: Convert to fraction form
    30,080.22/45,106.29 = 11,345.82/x
  3. Step 3: Cross multiply
    30,080.22x = 45,106.29 × 11,345.82
  4. Step 4: Simplify right side
    30,080.22x = 511,767,847.21
  5. Step 5: Solve for x
    x = 511,767,847.21/30,080.22
  6. Step 6: Final answer
    x = 17,013.43

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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.