Home / 50,680.88-76,021.32-15,620.56

Finding the Fourth Proportional to 50,680.88, 76,021.32 and 15,620.56

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Solution

The fourth proportional to 50,680.88, 76,021.32 and 15,620.56 is: 23,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,680.88 : 76,021.32 = 15,620.56 : x
  2. Step 2: Convert to fraction form
    50,680.88/76,021.32 = 15,620.56/x
  3. Step 3: Cross multiply
    50,680.88x = 76,021.32 × 15,620.56
  4. Step 4: Simplify right side
    50,680.88x = 1,187,495,590.34
  5. Step 5: Solve for x
    x = 1,187,495,590.34/50,680.88
  6. Step 6: Final answer
    x = 23,430.84

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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.