Home / 30,776.22-46,145.87-14,115.38

Finding the Fourth Proportional to 30,776.22, 46,145.87 and 14,115.38

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Solution

The fourth proportional to 30,776.22, 46,145.87 and 14,115.38 is: 21,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.22 : 46,145.87 = 14,115.38 : x
  2. Step 2: Convert to fraction form
    30,776.22/46,145.87 = 14,115.38/x
  3. Step 3: Cross multiply
    30,776.22x = 46,145.87 × 14,115.38
  4. Step 4: Simplify right side
    30,776.22x = 651,366,189.17
  5. Step 5: Solve for x
    x = 651,366,189.17/30,776.22
  6. Step 6: Final answer
    x = 21,164.59

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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.