Home / 43,136.84-64,704.66-13,556.48

Finding the Fourth Proportional to 43,136.84, 64,704.66 and 13,556.48

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Solution

The fourth proportional to 43,136.84, 64,704.66 and 13,556.48 is: 20,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.84 : 64,704.66 = 13,556.48 : x
  2. Step 2: Convert to fraction form
    43,136.84/64,704.66 = 13,556.48/x
  3. Step 3: Cross multiply
    43,136.84x = 64,704.66 × 13,556.48
  4. Step 4: Simplify right side
    43,136.84x = 877,167,429.20
  5. Step 5: Solve for x
    x = 877,167,429.20/43,136.84
  6. Step 6: Final answer
    x = 20,334.53

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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.