Home / 29,985.80-41,380.74-16,556.81

Finding the Fourth Proportional to 29,985.80, 41,380.74 and 16,556.81

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Solution

The fourth proportional to 29,985.80, 41,380.74 and 16,556.81 is: 22,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.80 : 41,380.74 = 16,556.81 : x
  2. Step 2: Convert to fraction form
    29,985.80/41,380.74 = 16,556.81/x
  3. Step 3: Cross multiply
    29,985.80x = 41,380.74 × 16,556.81
  4. Step 4: Simplify right side
    29,985.80x = 685,132,842.94
  5. Step 5: Solve for x
    x = 685,132,842.94/29,985.80
  6. Step 6: Final answer
    x = 22,848.58

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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.