Home / 33,811.86-46,664.28-20,389.98

Finding the Fourth Proportional to 33,811.86, 46,664.28 and 20,389.98

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Solution

The fourth proportional to 33,811.86, 46,664.28 and 20,389.98 is: 28,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.86 : 46,664.28 = 20,389.98 : x
  2. Step 2: Convert to fraction form
    33,811.86/46,664.28 = 20,389.98/x
  3. Step 3: Cross multiply
    33,811.86x = 46,664.28 × 20,389.98
  4. Step 4: Simplify right side
    33,811.86x = 951,483,735.91
  5. Step 5: Solve for x
    x = 951,483,735.91/33,811.86
  6. Step 6: Final answer
    x = 28,140.53

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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.