Home / 36,930.38-50,965.15-21,015.86

Finding the Fourth Proportional to 36,930.38, 50,965.15 and 21,015.86

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Solution

The fourth proportional to 36,930.38, 50,965.15 and 21,015.86 is: 29,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.38 : 50,965.15 = 21,015.86 : x
  2. Step 2: Convert to fraction form
    36,930.38/50,965.15 = 21,015.86/x
  3. Step 3: Cross multiply
    36,930.38x = 50,965.15 × 21,015.86
  4. Step 4: Simplify right side
    36,930.38x = 1,071,076,189.32
  5. Step 5: Solve for x
    x = 1,071,076,189.32/36,930.38
  6. Step 6: Final answer
    x = 29,002.58

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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.