Home / 36,698.58-50,644.98-20,782.80

Finding the Fourth Proportional to 36,698.58, 50,644.98 and 20,782.80

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Solution

The fourth proportional to 36,698.58, 50,644.98 and 20,782.80 is: 28,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698.58 : 50,644.98 = 20,782.80 : x
  2. Step 2: Convert to fraction form
    36,698.58/50,644.98 = 20,782.80/x
  3. Step 3: Cross multiply
    36,698.58x = 50,644.98 × 20,782.80
  4. Step 4: Simplify right side
    36,698.58x = 1,052,544,490.34
  5. Step 5: Solve for x
    x = 1,052,544,490.34/36,698.58
  6. Step 6: Final answer
    x = 28,680.80

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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.