Home / 43,072.69-64,608.80-11,486.03

Finding the Fourth Proportional to 43,072.69, 64,608.80 and 11,486.03

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Solution

The fourth proportional to 43,072.69, 64,608.80 and 11,486.03 is: 17,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.69 : 64,608.80 = 11,486.03 : x
  2. Step 2: Convert to fraction form
    43,072.69/64,608.80 = 11,486.03/x
  3. Step 3: Cross multiply
    43,072.69x = 64,608.80 × 11,486.03
  4. Step 4: Simplify right side
    43,072.69x = 742,098,615.06
  5. Step 5: Solve for x
    x = 742,098,615.06/43,072.69
  6. Step 6: Final answer
    x = 17,228.98

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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.