Home / 50,684.08-69,941.20-28,021.75

Finding the Fourth Proportional to 50,684.08, 69,941.20 and 28,021.75

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Solution

The fourth proportional to 50,684.08, 69,941.20 and 28,021.75 is: 38,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,684.08 : 69,941.20 = 28,021.75 : x
  2. Step 2: Convert to fraction form
    50,684.08/69,941.20 = 28,021.75/x
  3. Step 3: Cross multiply
    50,684.08x = 69,941.20 × 28,021.75
  4. Step 4: Simplify right side
    50,684.08x = 1,959,874,331.29
  5. Step 5: Solve for x
    x = 1,959,874,331.29/50,684.08
  6. Step 6: Final answer
    x = 38,668.44

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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.