Home / 50,155.26-69,215.03-30,012.99

Finding the Fourth Proportional to 50,155.26, 69,215.03 and 30,012.99

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Solution

The fourth proportional to 50,155.26, 69,215.03 and 30,012.99 is: 41,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,155.26 : 69,215.03 = 30,012.99 : x
  2. Step 2: Convert to fraction form
    50,155.26/69,215.03 = 30,012.99/x
  3. Step 3: Cross multiply
    50,155.26x = 69,215.03 × 30,012.99
  4. Step 4: Simplify right side
    50,155.26x = 2,077,350,003.24
  5. Step 5: Solve for x
    x = 2,077,350,003.24/50,155.26
  6. Step 6: Final answer
    x = 41,418.39

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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.