Home / 35,322.20-48,745.44-19,405.64

Finding the Fourth Proportional to 35,322.20, 48,745.44 and 19,405.64

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Solution

The fourth proportional to 35,322.20, 48,745.44 and 19,405.64 is: 26,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.20 : 48,745.44 = 19,405.64 : x
  2. Step 2: Convert to fraction form
    35,322.20/48,745.44 = 19,405.64/x
  3. Step 3: Cross multiply
    35,322.20x = 48,745.44 × 19,405.64
  4. Step 4: Simplify right side
    35,322.20x = 945,936,460.28
  5. Step 5: Solve for x
    x = 945,936,460.28/35,322.20
  6. Step 6: Final answer
    x = 26,780.22

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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.