Home / 53,853.75-80,783.87-16,917.75

Finding the Fourth Proportional to 53,853.75, 80,783.87 and 16,917.75

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Solution

The fourth proportional to 53,853.75, 80,783.87 and 16,917.75 is: 25,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.75 : 80,783.87 = 16,917.75 : x
  2. Step 2: Convert to fraction form
    53,853.75/80,783.87 = 16,917.75/x
  3. Step 3: Cross multiply
    53,853.75x = 80,783.87 × 16,917.75
  4. Step 4: Simplify right side
    53,853.75x = 1,366,681,232.10
  5. Step 5: Solve for x
    x = 1,366,681,232.10/53,853.75
  6. Step 6: Final answer
    x = 25,377.64

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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.