Home / 37,112.40-55,668.60-10,819.80

Finding the Fourth Proportional to 37,112.40, 55,668.60 and 10,819.80

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Solution

The fourth proportional to 37,112.40, 55,668.60 and 10,819.80 is: 16,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.40 : 55,668.60 = 10,819.80 : x
  2. Step 2: Convert to fraction form
    37,112.40/55,668.60 = 10,819.80/x
  3. Step 3: Cross multiply
    37,112.40x = 55,668.60 × 10,819.80
  4. Step 4: Simplify right side
    37,112.40x = 602,323,118.28
  5. Step 5: Solve for x
    x = 602,323,118.28/37,112.40
  6. Step 6: Final answer
    x = 16,229.70

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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.