Home / 50,890.58-70,229.42-28,231.05

Finding the Fourth Proportional to 50,890.58, 70,229.42 and 28,231.05

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Solution

The fourth proportional to 50,890.58, 70,229.42 and 28,231.05 is: 38,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.58 : 70,229.42 = 28,231.05 : x
  2. Step 2: Convert to fraction form
    50,890.58/70,229.42 = 28,231.05/x
  3. Step 3: Cross multiply
    50,890.58x = 70,229.42 × 28,231.05
  4. Step 4: Simplify right side
    50,890.58x = 1,982,650,389.70
  5. Step 5: Solve for x
    x = 1,982,650,389.70/50,890.58
  6. Step 6: Final answer
    x = 38,959.09

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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.