Home / 53,638.88-74,021.85-29,768.99

Finding the Fourth Proportional to 53,638.88, 74,021.85 and 29,768.99

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Solution

The fourth proportional to 53,638.88, 74,021.85 and 29,768.99 is: 41,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638.88 : 74,021.85 = 29,768.99 : x
  2. Step 2: Convert to fraction form
    53,638.88/74,021.85 = 29,768.99/x
  3. Step 3: Cross multiply
    53,638.88x = 74,021.85 × 29,768.99
  4. Step 4: Simplify right side
    53,638.88x = 2,203,555,342.32
  5. Step 5: Solve for x
    x = 2,203,555,342.32/53,638.88
  6. Step 6: Final answer
    x = 41,081.31

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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.