Home / 43,040.39-64,580.06-21,969.55

Finding the Fourth Proportional to 43,040.39, 64,580.06 and 21,969.55

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Solution

The fourth proportional to 43,040.39, 64,580.06 and 21,969.55 is: 32,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.39 : 64,580.06 = 21,969.55 : x
  2. Step 2: Convert to fraction form
    43,040.39/64,580.06 = 21,969.55/x
  3. Step 3: Cross multiply
    43,040.39x = 64,580.06 × 21,969.55
  4. Step 4: Simplify right side
    43,040.39x = 1,418,795,112.66
  5. Step 5: Solve for x
    x = 1,418,795,112.66/43,040.39
  6. Step 6: Final answer
    x = 32,964.27

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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.