Home / 43,134-64,704.65-11,969.25

Finding the Fourth Proportional to 43,134, 64,704.65 and 11,969.25

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Solution

The fourth proportional to 43,134, 64,704.65 and 11,969.25 is: 17,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,134 : 64,704.65 = 11,969.25 : x
  2. Step 2: Convert to fraction form
    43,134/64,704.65 = 11,969.25/x
  3. Step 3: Cross multiply
    43,134x = 64,704.65 × 11,969.25
  4. Step 4: Simplify right side
    43,134x = 774,466,072.17
  5. Step 5: Solve for x
    x = 774,466,072.17/43,134
  6. Step 6: Final answer
    x = 17,954.89

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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.