Home / 47,795.22-65,986.92-30,805.47

Finding the Fourth Proportional to 47,795.22, 65,986.92 and 30,805.47

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Solution

The fourth proportional to 47,795.22, 65,986.92 and 30,805.47 is: 42,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.22 : 65,986.92 = 30,805.47 : x
  2. Step 2: Convert to fraction form
    47,795.22/65,986.92 = 30,805.47/x
  3. Step 3: Cross multiply
    47,795.22x = 65,986.92 × 30,805.47
  4. Step 4: Simplify right side
    47,795.22x = 2,032,758,084.45
  5. Step 5: Solve for x
    x = 2,032,758,084.45/47,795.22
  6. Step 6: Final answer
    x = 42,530.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.