Home / 53,845.12-80,775.36-16,912

Finding the Fourth Proportional to 53,845.12, 80,775.36 and 16,912

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Solution

The fourth proportional to 53,845.12, 80,775.36 and 16,912 is: 25,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.12 : 80,775.36 = 16,912 : x
  2. Step 2: Convert to fraction form
    53,845.12/80,775.36 = 16,912/x
  3. Step 3: Cross multiply
    53,845.12x = 80,775.36 × 16,912
  4. Step 4: Simplify right side
    53,845.12x = 1,366,072,888.32
  5. Step 5: Solve for x
    x = 1,366,072,888.32/53,845.12
  6. Step 6: Final answer
    x = 25,370.41

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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.