Home / 50,300.26-75,450.33-12,860.36

Finding the Fourth Proportional to 50,300.26, 75,450.33 and 12,860.36

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Solution

The fourth proportional to 50,300.26, 75,450.33 and 12,860.36 is: 19,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,300.26 : 75,450.33 = 12,860.36 : x
  2. Step 2: Convert to fraction form
    50,300.26/75,450.33 = 12,860.36/x
  3. Step 3: Cross multiply
    50,300.26x = 75,450.33 × 12,860.36
  4. Step 4: Simplify right side
    50,300.26x = 970,318,405.92
  5. Step 5: Solve for x
    x = 970,318,405.92/50,300.26
  6. Step 6: Final answer
    x = 19,290.52

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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.