Home / 43,101.23-64,649.21-20,627.88

Finding the Fourth Proportional to 43,101.23, 64,649.21 and 20,627.88

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Solution

The fourth proportional to 43,101.23, 64,649.21 and 20,627.88 is: 30,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.23 : 64,649.21 = 20,627.88 : x
  2. Step 2: Convert to fraction form
    43,101.23/64,649.21 = 20,627.88/x
  3. Step 3: Cross multiply
    43,101.23x = 64,649.21 × 20,627.88
  4. Step 4: Simplify right side
    43,101.23x = 1,333,576,197.54
  5. Step 5: Solve for x
    x = 1,333,576,197.54/43,101.23
  6. Step 6: Final answer
    x = 30,940.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.