Home / 50,019.15-69,018.75-28,794.31

Finding the Fourth Proportional to 50,019.15, 69,018.75 and 28,794.31

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Solution

The fourth proportional to 50,019.15, 69,018.75 and 28,794.31 is: 39,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,019.15 : 69,018.75 = 28,794.31 : x
  2. Step 2: Convert to fraction form
    50,019.15/69,018.75 = 28,794.31/x
  3. Step 3: Cross multiply
    50,019.15x = 69,018.75 × 28,794.31
  4. Step 4: Simplify right side
    50,019.15x = 1,987,347,283.31
  5. Step 5: Solve for x
    x = 1,987,347,283.31/50,019.15
  6. Step 6: Final answer
    x = 39,731.73

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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.