Home / 33,330.36-49,970.64-20,179.56

Finding the Fourth Proportional to 33,330.36, 49,970.64 and 20,179.56

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Solution

The fourth proportional to 33,330.36, 49,970.64 and 20,179.56 is: 30,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,330.36 : 49,970.64 = 20,179.56 : x
  2. Step 2: Convert to fraction form
    33,330.36/49,970.64 = 20,179.56/x
  3. Step 3: Cross multiply
    33,330.36x = 49,970.64 × 20,179.56
  4. Step 4: Simplify right side
    33,330.36x = 1,008,385,528.12
  5. Step 5: Solve for x
    x = 1,008,385,528.12/33,330.36
  6. Step 6: Final answer
    x = 30,254.26

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1.5x scale

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.