Home / 33,836.40-50,749.80-10,465.20

Finding the Fourth Proportional to 33,836.40, 50,749.80 and 10,465.20

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Solution

The fourth proportional to 33,836.40, 50,749.80 and 10,465.20 is: 15,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,836.40 : 50,749.80 = 10,465.20 : x
  2. Step 2: Convert to fraction form
    33,836.40/50,749.80 = 10,465.20/x
  3. Step 3: Cross multiply
    33,836.40x = 50,749.80 × 10,465.20
  4. Step 4: Simplify right side
    33,836.40x = 531,106,806.96
  5. Step 5: Solve for x
    x = 531,106,806.96/33,836.40
  6. Step 6: Final answer
    x = 15,696.32

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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.