Home / 50,072.86-75,119.35-18,483.12

Finding the Fourth Proportional to 50,072.86, 75,119.35 and 18,483.12

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Solution

The fourth proportional to 50,072.86, 75,119.35 and 18,483.12 is: 27,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,072.86 : 75,119.35 = 18,483.12 : x
  2. Step 2: Convert to fraction form
    50,072.86/75,119.35 = 18,483.12/x
  3. Step 3: Cross multiply
    50,072.86x = 75,119.35 × 18,483.12
  4. Step 4: Simplify right side
    50,072.86x = 1,388,439,849.79
  5. Step 5: Solve for x
    x = 1,388,439,849.79/50,072.86
  6. Step 6: Final answer
    x = 27,728.39

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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.