Home / 42,704.68-64,096.21-21,659.37

Finding the Fourth Proportional to 42,704.68, 64,096.21 and 21,659.37

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Solution

The fourth proportional to 42,704.68, 64,096.21 and 21,659.37 is: 32,508.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.68 : 64,096.21 = 21,659.37 : x
  2. Step 2: Convert to fraction form
    42,704.68/64,096.21 = 21,659.37/x
  3. Step 3: Cross multiply
    42,704.68x = 64,096.21 × 21,659.37
  4. Step 4: Simplify right side
    42,704.68x = 1,388,283,527.99
  5. Step 5: Solve for x
    x = 1,388,283,527.99/42,704.68
  6. Step 6: Final answer
    x = 32,508.94

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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.