Home / 43,241.23-64,768.09-21,007.95

Finding the Fourth Proportional to 43,241.23, 64,768.09 and 21,007.95

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Solution

The fourth proportional to 43,241.23, 64,768.09 and 21,007.95 is: 31,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,241.23 : 64,768.09 = 21,007.95 : x
  2. Step 2: Convert to fraction form
    43,241.23/64,768.09 = 21,007.95/x
  3. Step 3: Cross multiply
    43,241.23x = 64,768.09 × 21,007.95
  4. Step 4: Simplify right side
    43,241.23x = 1,360,644,796.32
  5. Step 5: Solve for x
    x = 1,360,644,796.32/43,241.23
  6. Step 6: Final answer
    x = 31,466.38

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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.