Home / 50,991.24-70,367.40-28,021.44

Finding the Fourth Proportional to 50,991.24, 70,367.40 and 28,021.44

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Solution

The fourth proportional to 50,991.24, 70,367.40 and 28,021.44 is: 38,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.24 : 70,367.40 = 28,021.44 : x
  2. Step 2: Convert to fraction form
    50,991.24/70,367.40 = 28,021.44/x
  3. Step 3: Cross multiply
    50,991.24x = 70,367.40 × 28,021.44
  4. Step 4: Simplify right side
    50,991.24x = 1,971,795,877.06
  5. Step 5: Solve for x
    x = 1,971,795,877.06/50,991.24
  6. Step 6: Final answer
    x = 38,669.31

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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.