Home / 50,669.36-69,923.58-28,313.36

Finding the Fourth Proportional to 50,669.36, 69,923.58 and 28,313.36

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Solution

The fourth proportional to 50,669.36, 69,923.58 and 28,313.36 is: 39,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,669.36 : 69,923.58 = 28,313.36 : x
  2. Step 2: Convert to fraction form
    50,669.36/69,923.58 = 28,313.36/x
  3. Step 3: Cross multiply
    50,669.36x = 69,923.58 × 28,313.36
  4. Step 4: Simplify right side
    50,669.36x = 1,979,771,493.03
  5. Step 5: Solve for x
    x = 1,979,771,493.03/50,669.36
  6. Step 6: Final answer
    x = 39,072.36

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1.5x scale

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.