Home / 30,729.18-46,108.86-11,009.33

Finding the Fourth Proportional to 30,729.18, 46,108.86 and 11,009.33

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Solution

The fourth proportional to 30,729.18, 46,108.86 and 11,009.33 is: 16,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.18 : 46,108.86 = 11,009.33 : x
  2. Step 2: Convert to fraction form
    30,729.18/46,108.86 = 11,009.33/x
  3. Step 3: Cross multiply
    30,729.18x = 46,108.86 × 11,009.33
  4. Step 4: Simplify right side
    30,729.18x = 507,627,425.12
  5. Step 5: Solve for x
    x = 507,627,425.12/30,729.18
  6. Step 6: Final answer
    x = 16,519.39

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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.