Home / 51,289.26-70,778.91-28,626.94

Finding the Fourth Proportional to 51,289.26, 70,778.91 and 28,626.94

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Solution

The fourth proportional to 51,289.26, 70,778.91 and 28,626.94 is: 39,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,289.26 : 70,778.91 = 28,626.94 : x
  2. Step 2: Convert to fraction form
    51,289.26/70,778.91 = 28,626.94/x
  3. Step 3: Cross multiply
    51,289.26x = 70,778.91 × 28,626.94
  4. Step 4: Simplify right side
    51,289.26x = 2,026,183,609.84
  5. Step 5: Solve for x
    x = 2,026,183,609.84/51,289.26
  6. Step 6: Final answer
    x = 39,505.03

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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.