Home / 50,786.52-70,085.20-28,430.52

Finding the Fourth Proportional to 50,786.52, 70,085.20 and 28,430.52

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Solution

The fourth proportional to 50,786.52, 70,085.20 and 28,430.52 is: 39,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.52 : 70,085.20 = 28,430.52 : x
  2. Step 2: Convert to fraction form
    50,786.52/70,085.20 = 28,430.52/x
  3. Step 3: Cross multiply
    50,786.52x = 70,085.20 × 28,430.52
  4. Step 4: Simplify right side
    50,786.52x = 1,992,558,680.30
  5. Step 5: Solve for x
    x = 1,992,558,680.30/50,786.52
  6. Step 6: Final answer
    x = 39,234.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.