Home / 36,839.86-50,840.23-20,709.98

Finding the Fourth Proportional to 36,839.86, 50,840.23 and 20,709.98

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Solution

The fourth proportional to 36,839.86, 50,840.23 and 20,709.98 is: 28,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,839.86 : 50,840.23 = 20,709.98 : x
  2. Step 2: Convert to fraction form
    36,839.86/50,840.23 = 20,709.98/x
  3. Step 3: Cross multiply
    36,839.86x = 50,840.23 × 20,709.98
  4. Step 4: Simplify right side
    36,839.86x = 1,052,900,128.25
  5. Step 5: Solve for x
    x = 1,052,900,128.25/36,839.86
  6. Step 6: Final answer
    x = 28,580.46

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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.