Home / 50,004.98-69,012.96-28,783.80

Finding the Fourth Proportional to 50,004.98, 69,012.96 and 28,783.80

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Solution

The fourth proportional to 50,004.98, 69,012.96 and 28,783.80 is: 39,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,004.98 : 69,012.96 = 28,783.80 : x
  2. Step 2: Convert to fraction form
    50,004.98/69,012.96 = 28,783.80/x
  3. Step 3: Cross multiply
    50,004.98x = 69,012.96 × 28,783.80
  4. Step 4: Simplify right side
    50,004.98x = 1,986,455,238.05
  5. Step 5: Solve for x
    x = 1,986,455,238.05/50,004.98
  6. Step 6: Final answer
    x = 39,725.15

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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.