Home / 33,820.81-50,731.20-21,359.77

Finding the Fourth Proportional to 33,820.81, 50,731.20 and 21,359.77

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Solution

The fourth proportional to 33,820.81, 50,731.20 and 21,359.77 is: 32,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.81 : 50,731.20 = 21,359.77 : x
  2. Step 2: Convert to fraction form
    33,820.81/50,731.20 = 21,359.77/x
  3. Step 3: Cross multiply
    33,820.81x = 50,731.20 × 21,359.77
  4. Step 4: Simplify right side
    33,820.81x = 1,083,606,637.00
  5. Step 5: Solve for x
    x = 1,083,606,637.00/33,820.81
  6. Step 6: Final answer
    x = 32,039.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.