Home / 50,954.40-76,489.20-39,319.20

Finding the Fourth Proportional to 50,954.40, 76,489.20 and 39,319.20

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Solution

The fourth proportional to 50,954.40, 76,489.20 and 39,319.20 is: 59,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,954.40 : 76,489.20 = 39,319.20 : x
  2. Step 2: Convert to fraction form
    50,954.40/76,489.20 = 39,319.20/x
  3. Step 3: Cross multiply
    50,954.40x = 76,489.20 × 39,319.20
  4. Step 4: Simplify right side
    50,954.40x = 3,007,494,152.64
  5. Step 5: Solve for x
    x = 3,007,494,152.64/50,954.40
  6. Step 6: Final answer
    x = 59,023.25

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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.