Home / 47,736.96-65,866.40-28,873.68

Finding the Fourth Proportional to 47,736.96, 65,866.40 and 28,873.68

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Solution

The fourth proportional to 47,736.96, 65,866.40 and 28,873.68 is: 39,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,736.96 : 65,866.40 = 28,873.68 : x
  2. Step 2: Convert to fraction form
    47,736.96/65,866.40 = 28,873.68/x
  3. Step 3: Cross multiply
    47,736.96x = 65,866.40 × 28,873.68
  4. Step 4: Simplify right side
    47,736.96x = 1,901,805,356.35
  5. Step 5: Solve for x
    x = 1,901,805,356.35/47,736.96
  6. Step 6: Final answer
    x = 39,839.26

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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.