Home / 29,852.44-41,195.82-20,420.68

Finding the Fourth Proportional to 29,852.44, 41,195.82 and 20,420.68

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Solution

The fourth proportional to 29,852.44, 41,195.82 and 20,420.68 is: 28,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,852.44 : 41,195.82 = 20,420.68 : x
  2. Step 2: Convert to fraction form
    29,852.44/41,195.82 = 20,420.68/x
  3. Step 3: Cross multiply
    29,852.44x = 41,195.82 × 20,420.68
  4. Step 4: Simplify right side
    29,852.44x = 841,246,657.56
  5. Step 5: Solve for x
    x = 841,246,657.56/29,852.44
  6. Step 6: Final answer
    x = 28,180.16

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1.5x scale

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.