Home / 53,365.48-73,638-31,851.28

Finding the Fourth Proportional to 53,365.48, 73,638 and 31,851.28

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Solution

The fourth proportional to 53,365.48, 73,638 and 31,851.28 is: 43,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,365.48 : 73,638 = 31,851.28 : x
  2. Step 2: Convert to fraction form
    53,365.48/73,638 = 31,851.28/x
  3. Step 3: Cross multiply
    53,365.48x = 73,638 × 31,851.28
  4. Step 4: Simplify right side
    53,365.48x = 2,345,464,556.64
  5. Step 5: Solve for x
    x = 2,345,464,556.64/53,365.48
  6. Step 6: Final answer
    x = 43,950.97

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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.