Home / 50,626.28-69,865.70-28,269.80

Finding the Fourth Proportional to 50,626.28, 69,865.70 and 28,269.80

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Solution

The fourth proportional to 50,626.28, 69,865.70 and 28,269.80 is: 39,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,626.28 : 69,865.70 = 28,269.80 : x
  2. Step 2: Convert to fraction form
    50,626.28/69,865.70 = 28,269.80/x
  3. Step 3: Cross multiply
    50,626.28x = 69,865.70 × 28,269.80
  4. Step 4: Simplify right side
    50,626.28x = 1,975,089,365.86
  5. Step 5: Solve for x
    x = 1,975,089,365.86/50,626.28
  6. Step 6: Final answer
    x = 39,013.12

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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.