Home / 43,194.28-64,735.80-20,964.64

Finding the Fourth Proportional to 43,194.28, 64,735.80 and 20,964.64

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Solution

The fourth proportional to 43,194.28, 64,735.80 and 20,964.64 is: 31,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,194.28 : 64,735.80 = 20,964.64 : x
  2. Step 2: Convert to fraction form
    43,194.28/64,735.80 = 20,964.64/x
  3. Step 3: Cross multiply
    43,194.28x = 64,735.80 × 20,964.64
  4. Step 4: Simplify right side
    43,194.28x = 1,357,162,742.11
  5. Step 5: Solve for x
    x = 1,357,162,742.11/43,194.28
  6. Step 6: Final answer
    x = 31,419.96

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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.