Home / 36,699.58-50,646.36-20,783.80

Finding the Fourth Proportional to 36,699.58, 50,646.36 and 20,783.80

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Solution

The fourth proportional to 36,699.58, 50,646.36 and 20,783.80 is: 28,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.58 : 50,646.36 = 20,783.80 : x
  2. Step 2: Convert to fraction form
    36,699.58/50,646.36 = 20,783.80/x
  3. Step 3: Cross multiply
    36,699.58x = 50,646.36 × 20,783.80
  4. Step 4: Simplify right side
    36,699.58x = 1,052,623,816.97
  5. Step 5: Solve for x
    x = 1,052,623,816.97/36,699.58
  6. Step 6: Final answer
    x = 28,682.18

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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.