Home / 36,917.88-50,947.76-21,004.60

Finding the Fourth Proportional to 36,917.88, 50,947.76 and 21,004.60

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Solution

The fourth proportional to 36,917.88, 50,947.76 and 21,004.60 is: 28,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.88 : 50,947.76 = 21,004.60 : x
  2. Step 2: Convert to fraction form
    36,917.88/50,947.76 = 21,004.60/x
  3. Step 3: Cross multiply
    36,917.88x = 50,947.76 × 21,004.60
  4. Step 4: Simplify right side
    36,917.88x = 1,070,137,319.70
  5. Step 5: Solve for x
    x = 1,070,137,319.70/36,917.88
  6. Step 6: Final answer
    x = 28,986.97

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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.