Home / 50,778.09-76,173.62-19,207.53

Finding the Fourth Proportional to 50,778.09, 76,173.62 and 19,207.53

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Solution

The fourth proportional to 50,778.09, 76,173.62 and 19,207.53 is: 28,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.09 : 76,173.62 = 19,207.53 : x
  2. Step 2: Convert to fraction form
    50,778.09/76,173.62 = 19,207.53/x
  3. Step 3: Cross multiply
    50,778.09x = 76,173.62 × 19,207.53
  4. Step 4: Simplify right side
    50,778.09x = 1,463,106,995.32
  5. Step 5: Solve for x
    x = 1,463,106,995.32/50,778.09
  6. Step 6: Final answer
    x = 28,813.75

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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.