Home / 64,739.36-97,116-20,367.44

Finding the Fourth Proportional to 64,739.36, 97,116 and 20,367.44

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Solution

The fourth proportional to 64,739.36, 97,116 and 20,367.44 is: 30,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,739.36 : 97,116 = 20,367.44 : x
  2. Step 2: Convert to fraction form
    64,739.36/97,116 = 20,367.44/x
  3. Step 3: Cross multiply
    64,739.36x = 97,116 × 20,367.44
  4. Step 4: Simplify right side
    64,739.36x = 1,978,004,303.04
  5. Step 5: Solve for x
    x = 1,978,004,303.04/64,739.36
  6. Step 6: Final answer
    x = 30,553.35

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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.