Home / 50,014.52-75,021.88-20,427.20

Finding the Fourth Proportional to 50,014.52, 75,021.88 and 20,427.20

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Solution

The fourth proportional to 50,014.52, 75,021.88 and 20,427.20 is: 30,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,014.52 : 75,021.88 = 20,427.20 : x
  2. Step 2: Convert to fraction form
    50,014.52/75,021.88 = 20,427.20/x
  3. Step 3: Cross multiply
    50,014.52x = 75,021.88 × 20,427.20
  4. Step 4: Simplify right side
    50,014.52x = 1,532,486,947.14
  5. Step 5: Solve for x
    x = 1,532,486,947.14/50,014.52
  6. Step 6: Final answer
    x = 30,640.84

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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.