Home / 43,556.21-60,129.78-30,819.37

Finding the Fourth Proportional to 43,556.21, 60,129.78 and 30,819.37

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Solution

The fourth proportional to 43,556.21, 60,129.78 and 30,819.37 is: 42,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.21 : 60,129.78 = 30,819.37 : x
  2. Step 2: Convert to fraction form
    43,556.21/60,129.78 = 30,819.37/x
  3. Step 3: Cross multiply
    43,556.21x = 60,129.78 × 30,819.37
  4. Step 4: Simplify right side
    43,556.21x = 1,853,161,937.84
  5. Step 5: Solve for x
    x = 1,853,161,937.84/43,556.21
  6. Step 6: Final answer
    x = 42,546.45

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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.