Home / 36,900.86-50,918.99-20,765.06

Finding the Fourth Proportional to 36,900.86, 50,918.99 and 20,765.06

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Solution

The fourth proportional to 36,900.86, 50,918.99 and 20,765.06 is: 28,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.86 : 50,918.99 = 20,765.06 : x
  2. Step 2: Convert to fraction form
    36,900.86/50,918.99 = 20,765.06/x
  3. Step 3: Cross multiply
    36,900.86x = 50,918.99 × 20,765.06
  4. Step 4: Simplify right side
    36,900.86x = 1,057,335,524.07
  5. Step 5: Solve for x
    x = 1,057,335,524.07/36,900.86
  6. Step 6: Final answer
    x = 28,653.41

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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.