Home / 36,921.86-50,953.32-21,008.60

Finding the Fourth Proportional to 36,921.86, 50,953.32 and 21,008.60

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Solution

The fourth proportional to 36,921.86, 50,953.32 and 21,008.60 is: 28,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.86 : 50,953.32 = 21,008.60 : x
  2. Step 2: Convert to fraction form
    36,921.86/50,953.32 = 21,008.60/x
  3. Step 3: Cross multiply
    36,921.86x = 50,953.32 × 21,008.60
  4. Step 4: Simplify right side
    36,921.86x = 1,070,457,918.55
  5. Step 5: Solve for x
    x = 1,070,457,918.55/36,921.86
  6. Step 6: Final answer
    x = 28,992.52

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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.