Home / 35,918.37-53,910.77-18,161.55

Finding the Fourth Proportional to 35,918.37, 53,910.77 and 18,161.55

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Solution

The fourth proportional to 35,918.37, 53,910.77 and 18,161.55 is: 27,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.37 : 53,910.77 = 18,161.55 : x
  2. Step 2: Convert to fraction form
    35,918.37/53,910.77 = 18,161.55/x
  3. Step 3: Cross multiply
    35,918.37x = 53,910.77 × 18,161.55
  4. Step 4: Simplify right side
    35,918.37x = 979,103,054.09
  5. Step 5: Solve for x
    x = 979,103,054.09/35,918.37
  6. Step 6: Final answer
    x = 27,259.12

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1.5x scale

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.