Home / 50,815.11-76,230.05-15,757.59

Finding the Fourth Proportional to 50,815.11, 76,230.05 and 15,757.59

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Solution

The fourth proportional to 50,815.11, 76,230.05 and 15,757.59 is: 23,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.11 : 76,230.05 = 15,757.59 : x
  2. Step 2: Convert to fraction form
    50,815.11/76,230.05 = 15,757.59/x
  3. Step 3: Cross multiply
    50,815.11x = 76,230.05 × 15,757.59
  4. Step 4: Simplify right side
    50,815.11x = 1,201,201,794.79
  5. Step 5: Solve for x
    x = 1,201,201,794.79/50,815.11
  6. Step 6: Final answer
    x = 23,638.67

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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.