Home / 50,729.85-70,009.25-28,068.47

Finding the Fourth Proportional to 50,729.85, 70,009.25 and 28,068.47

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Solution

The fourth proportional to 50,729.85, 70,009.25 and 28,068.47 is: 38,735.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.85 : 70,009.25 = 28,068.47 : x
  2. Step 2: Convert to fraction form
    50,729.85/70,009.25 = 28,068.47/x
  3. Step 3: Cross multiply
    50,729.85x = 70,009.25 × 28,068.47
  4. Step 4: Simplify right side
    50,729.85x = 1,965,052,778.54
  5. Step 5: Solve for x
    x = 1,965,052,778.54/50,729.85
  6. Step 6: Final answer
    x = 38,735.63

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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.