Home / 36,921.66-50,951.24-21,005.77

Finding the Fourth Proportional to 36,921.66, 50,951.24 and 21,005.77

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Solution

The fourth proportional to 36,921.66, 50,951.24 and 21,005.77 is: 28,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.66 : 50,951.24 = 21,005.77 : x
  2. Step 2: Convert to fraction form
    36,921.66/50,951.24 = 21,005.77/x
  3. Step 3: Cross multiply
    36,921.66x = 50,951.24 × 21,005.77
  4. Step 4: Simplify right side
    36,921.66x = 1,070,269,875.02
  5. Step 5: Solve for x
    x = 1,070,269,875.02/36,921.66
  6. Step 6: Final answer
    x = 28,987.59

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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.