Home / 47,467.82-65,505.31-28,356.28

Finding the Fourth Proportional to 47,467.82, 65,505.31 and 28,356.28

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Solution

The fourth proportional to 47,467.82, 65,505.31 and 28,356.28 is: 39,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,467.82 : 65,505.31 = 28,356.28 : x
  2. Step 2: Convert to fraction form
    47,467.82/65,505.31 = 28,356.28/x
  3. Step 3: Cross multiply
    47,467.82x = 65,505.31 × 28,356.28
  4. Step 4: Simplify right side
    47,467.82x = 1,857,486,677.19
  5. Step 5: Solve for x
    x = 1,857,486,677.19/47,467.82
  6. Step 6: Final answer
    x = 39,131.49

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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.