Home / 50,212.99-69,290.94-28,705.06

Finding the Fourth Proportional to 50,212.99, 69,290.94 and 28,705.06

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Solution

The fourth proportional to 50,212.99, 69,290.94 and 28,705.06 is: 39,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212.99 : 69,290.94 = 28,705.06 : x
  2. Step 2: Convert to fraction form
    50,212.99/69,290.94 = 28,705.06/x
  3. Step 3: Cross multiply
    50,212.99x = 69,290.94 × 28,705.06
  4. Step 4: Simplify right side
    50,212.99x = 1,989,000,590.16
  5. Step 5: Solve for x
    x = 1,989,000,590.16/50,212.99
  6. Step 6: Final answer
    x = 39,611.28

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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.