Home / 50,682.23-69,941.02-28,021.80

Finding the Fourth Proportional to 50,682.23, 69,941.02 and 28,021.80

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Solution

The fourth proportional to 50,682.23, 69,941.02 and 28,021.80 is: 38,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,682.23 : 69,941.02 = 28,021.80 : x
  2. Step 2: Convert to fraction form
    50,682.23/69,941.02 = 28,021.80/x
  3. Step 3: Cross multiply
    50,682.23x = 69,941.02 × 28,021.80
  4. Step 4: Simplify right side
    50,682.23x = 1,959,873,125.58
  5. Step 5: Solve for x
    x = 1,959,873,125.58/50,682.23
  6. Step 6: Final answer
    x = 38,669.83

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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.