Home / 30,813.16-46,240.86-11,091.88

Finding the Fourth Proportional to 30,813.16, 46,240.86 and 11,091.88

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Solution

The fourth proportional to 30,813.16, 46,240.86 and 11,091.88 is: 16,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.16 : 46,240.86 = 11,091.88 : x
  2. Step 2: Convert to fraction form
    30,813.16/46,240.86 = 11,091.88/x
  3. Step 3: Cross multiply
    30,813.16x = 46,240.86 × 11,091.88
  4. Step 4: Simplify right side
    30,813.16x = 512,898,070.22
  5. Step 5: Solve for x
    x = 512,898,070.22/30,813.16
  6. Step 6: Final answer
    x = 16,645.42

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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.