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Finding the Fourth Proportional to 50,382.69, 69,537.74 and 33,356.90

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Solution

The fourth proportional to 50,382.69, 69,537.74 and 33,356.90 is: 46,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,382.69 : 69,537.74 = 33,356.90 : x
  2. Step 2: Convert to fraction form
    50,382.69/69,537.74 = 33,356.90/x
  3. Step 3: Cross multiply
    50,382.69x = 69,537.74 × 33,356.90
  4. Step 4: Simplify right side
    50,382.69x = 2,319,562,924.93
  5. Step 5: Solve for x
    x = 2,319,562,924.93/50,382.69
  6. Step 6: Final answer
    x = 46,038.89

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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.