Home / 50,121.25-75,152.71-18,958.93

Finding the Fourth Proportional to 50,121.25, 75,152.71 and 18,958.93

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Solution

The fourth proportional to 50,121.25, 75,152.71 and 18,958.93 is: 28,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,121.25 : 75,152.71 = 18,958.93 : x
  2. Step 2: Convert to fraction form
    50,121.25/75,152.71 = 18,958.93/x
  3. Step 3: Cross multiply
    50,121.25x = 75,152.71 × 18,958.93
  4. Step 4: Simplify right side
    50,121.25x = 1,424,814,968.20
  5. Step 5: Solve for x
    x = 1,424,814,968.20/50,121.25
  6. Step 6: Final answer
    x = 28,427.36

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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.