Home / 53,180.69-79,775.49-13,738.55

Finding the Fourth Proportional to 53,180.69, 79,775.49 and 13,738.55

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Solution

The fourth proportional to 53,180.69, 79,775.49 and 13,738.55 is: 20,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.69 : 79,775.49 = 13,738.55 : x
  2. Step 2: Convert to fraction form
    53,180.69/79,775.49 = 13,738.55/x
  3. Step 3: Cross multiply
    53,180.69x = 79,775.49 × 13,738.55
  4. Step 4: Simplify right side
    53,180.69x = 1,095,999,558.14
  5. Step 5: Solve for x
    x = 1,095,999,558.14/53,180.69
  6. Step 6: Final answer
    x = 20,608.98

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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.