Home / 50,900.40-76,399.20-25,968.60

Finding the Fourth Proportional to 50,900.40, 76,399.20 and 25,968.60

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Solution

The fourth proportional to 50,900.40, 76,399.20 and 25,968.60 is: 38,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.40 : 76,399.20 = 25,968.60 : x
  2. Step 2: Convert to fraction form
    50,900.40/76,399.20 = 25,968.60/x
  3. Step 3: Cross multiply
    50,900.40x = 76,399.20 × 25,968.60
  4. Step 4: Simplify right side
    50,900.40x = 1,983,980,265.12
  5. Step 5: Solve for x
    x = 1,983,980,265.12/50,900.40
  6. Step 6: Final answer
    x = 38,977.69

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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.