Home / 47,830.26-71,743.77-12,768.06

Finding the Fourth Proportional to 47,830.26, 71,743.77 and 12,768.06

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Solution

The fourth proportional to 47,830.26, 71,743.77 and 12,768.06 is: 19,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,830.26 : 71,743.77 = 12,768.06 : x
  2. Step 2: Convert to fraction form
    47,830.26/71,743.77 = 12,768.06/x
  3. Step 3: Cross multiply
    47,830.26x = 71,743.77 × 12,768.06
  4. Step 4: Simplify right side
    47,830.26x = 916,028,759.99
  5. Step 5: Solve for x
    x = 916,028,759.99/47,830.26
  6. Step 6: Final answer
    x = 19,151.66

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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.