Home / 33,887.36-46,764.48-18,780.80

Finding the Fourth Proportional to 33,887.36, 46,764.48 and 18,780.80

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Solution

The fourth proportional to 33,887.36, 46,764.48 and 18,780.80 is: 25,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.36 : 46,764.48 = 18,780.80 : x
  2. Step 2: Convert to fraction form
    33,887.36/46,764.48 = 18,780.80/x
  3. Step 3: Cross multiply
    33,887.36x = 46,764.48 × 18,780.80
  4. Step 4: Simplify right side
    33,887.36x = 878,274,345.98
  5. Step 5: Solve for x
    x = 878,274,345.98/33,887.36
  6. Step 6: Final answer
    x = 25,917.46

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1.5x scale

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.