Home / 39,229,043.63-54,136,575.95-21,589,976.48

Finding the Fourth Proportional to 39,229,043.63, 54,136,575.95 and 21,589,976.48

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Solution

The fourth proportional to 39,229,043.63, 54,136,575.95 and 21,589,976.48 is: 29,794,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,043.63 : 54,136,575.95 = 21,589,976.48 : x
  2. Step 2: Convert to fraction form
    39,229,043.63/54,136,575.95 = 21,589,976.48/x
  3. Step 3: Cross multiply
    39,229,043.63x = 54,136,575.95 × 21,589,976.48
  4. Step 4: Simplify right side
    39,229,043.63x = 1,168,807,401,089,601
  5. Step 5: Solve for x
    x = 1,168,807,401,089,601/39,229,043.63
  6. Step 6: Final answer
    x = 29,794,440.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.