Home / 64,682.81-97,028.33-20,311.32

Finding the Fourth Proportional to 64,682.81, 97,028.33 and 20,311.32

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Solution

The fourth proportional to 64,682.81, 97,028.33 and 20,311.32 is: 30,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,682.81 : 97,028.33 = 20,311.32 : x
  2. Step 2: Convert to fraction form
    64,682.81/97,028.33 = 20,311.32/x
  3. Step 3: Cross multiply
    64,682.81x = 97,028.33 × 20,311.32
  4. Step 4: Simplify right side
    64,682.81x = 1,970,773,358.14
  5. Step 5: Solve for x
    x = 1,970,773,358.14/64,682.81
  6. Step 6: Final answer
    x = 30,468.27

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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.