Home / 53,613.20-73,975.14-30,951.80

Finding the Fourth Proportional to 53,613.20, 73,975.14 and 30,951.80

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Solution

The fourth proportional to 53,613.20, 73,975.14 and 30,951.80 is: 42,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.20 : 73,975.14 = 30,951.80 : x
  2. Step 2: Convert to fraction form
    53,613.20/73,975.14 = 30,951.80/x
  3. Step 3: Cross multiply
    53,613.20x = 73,975.14 × 30,951.80
  4. Step 4: Simplify right side
    53,613.20x = 2,289,663,738.25
  5. Step 5: Solve for x
    x = 2,289,663,738.25/53,613.20
  6. Step 6: Final answer
    x = 42,707.09

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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.