Home / 51,636.37-71,257.99-28,975.31

Finding the Fourth Proportional to 51,636.37, 71,257.99 and 28,975.31

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Solution

The fourth proportional to 51,636.37, 71,257.99 and 28,975.31 is: 39,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636.37 : 71,257.99 = 28,975.31 : x
  2. Step 2: Convert to fraction form
    51,636.37/71,257.99 = 28,975.31/x
  3. Step 3: Cross multiply
    51,636.37x = 71,257.99 × 28,975.31
  4. Step 4: Simplify right side
    51,636.37x = 2,064,722,172.08
  5. Step 5: Solve for x
    x = 2,064,722,172.08/51,636.37
  6. Step 6: Final answer
    x = 39,985.81

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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.