Home / 50,518.99-75,778.49-28,043.47

Finding the Fourth Proportional to 50,518.99, 75,778.49 and 28,043.47

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Solution

The fourth proportional to 50,518.99, 75,778.49 and 28,043.47 is: 42,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,518.99 : 75,778.49 = 28,043.47 : x
  2. Step 2: Convert to fraction form
    50,518.99/75,778.49 = 28,043.47/x
  3. Step 3: Cross multiply
    50,518.99x = 75,778.49 × 28,043.47
  4. Step 4: Simplify right side
    50,518.99x = 2,125,091,481.30
  5. Step 5: Solve for x
    x = 2,125,091,481.30/50,518.99
  6. Step 6: Final answer
    x = 42,065.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.