Home / 50,143.05-75,208.10-18,974.25

Finding the Fourth Proportional to 50,143.05, 75,208.10 and 18,974.25

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Solution

The fourth proportional to 50,143.05, 75,208.10 and 18,974.25 is: 28,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.05 : 75,208.10 = 18,974.25 : x
  2. Step 2: Convert to fraction form
    50,143.05/75,208.10 = 18,974.25/x
  3. Step 3: Cross multiply
    50,143.05x = 75,208.10 × 18,974.25
  4. Step 4: Simplify right side
    50,143.05x = 1,427,017,196.55
  5. Step 5: Solve for x
    x = 1,427,017,196.55/50,143.05
  6. Step 6: Final answer
    x = 28,458.92

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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.