Home / 50,750.20-76,015.95-42,002.20

Finding the Fourth Proportional to 50,750.20, 76,015.95 and 42,002.20

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Solution

The fourth proportional to 50,750.20, 76,015.95 and 42,002.20 is: 62,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.20 : 76,015.95 = 42,002.20 : x
  2. Step 2: Convert to fraction form
    50,750.20/76,015.95 = 42,002.20/x
  3. Step 3: Cross multiply
    50,750.20x = 76,015.95 × 42,002.20
  4. Step 4: Simplify right side
    50,750.20x = 3,192,837,135.09
  5. Step 5: Solve for x
    x = 3,192,837,135.09/50,750.20
  6. Step 6: Final answer
    x = 62,912.80

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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.