Home / 50,139.56-75,203.46-20,152.62

Finding the Fourth Proportional to 50,139.56, 75,203.46 and 20,152.62

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Solution

The fourth proportional to 50,139.56, 75,203.46 and 20,152.62 is: 30,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.56 : 75,203.46 = 20,152.62 : x
  2. Step 2: Convert to fraction form
    50,139.56/75,203.46 = 20,152.62/x
  3. Step 3: Cross multiply
    50,139.56x = 75,203.46 × 20,152.62
  4. Step 4: Simplify right side
    50,139.56x = 1,515,546,752.07
  5. Step 5: Solve for x
    x = 1,515,546,752.07/50,139.56
  6. Step 6: Final answer
    x = 30,226.57

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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.