Home / 50,252.32-75,344.40-20,661.60

Finding the Fourth Proportional to 50,252.32, 75,344.40 and 20,661.60

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Solution

The fourth proportional to 50,252.32, 75,344.40 and 20,661.60 is: 30,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,252.32 : 75,344.40 = 20,661.60 : x
  2. Step 2: Convert to fraction form
    50,252.32/75,344.40 = 20,661.60/x
  3. Step 3: Cross multiply
    50,252.32x = 75,344.40 × 20,661.60
  4. Step 4: Simplify right side
    50,252.32x = 1,556,735,855.04
  5. Step 5: Solve for x
    x = 1,556,735,855.04/50,252.32
  6. Step 6: Final answer
    x = 30,978.39

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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.