Home / 50,178.12-75,296.34-19,015.80

Finding the Fourth Proportional to 50,178.12, 75,296.34 and 19,015.80

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Solution

The fourth proportional to 50,178.12, 75,296.34 and 19,015.80 is: 28,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,178.12 : 75,296.34 = 19,015.80 : x
  2. Step 2: Convert to fraction form
    50,178.12/75,296.34 = 19,015.80/x
  3. Step 3: Cross multiply
    50,178.12x = 75,296.34 × 19,015.80
  4. Step 4: Simplify right side
    50,178.12x = 1,431,820,142.17
  5. Step 5: Solve for x
    x = 1,431,820,142.17/50,178.12
  6. Step 6: Final answer
    x = 28,534.75

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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.