Home / 30,798.88-46,194.48-12,316.96

Finding the Fourth Proportional to 30,798.88, 46,194.48 and 12,316.96

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Solution

The fourth proportional to 30,798.88, 46,194.48 and 12,316.96 is: 18,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.88 : 46,194.48 = 12,316.96 : x
  2. Step 2: Convert to fraction form
    30,798.88/46,194.48 = 12,316.96/x
  3. Step 3: Cross multiply
    30,798.88x = 46,194.48 × 12,316.96
  4. Step 4: Simplify right side
    30,798.88x = 568,975,562.38
  5. Step 5: Solve for x
    x = 568,975,562.38/30,798.88
  6. Step 6: Final answer
    x = 18,473.90

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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.