Home / 38,211.63-57,256.76-25,685.60

Finding the Fourth Proportional to 38,211.63, 57,256.76 and 25,685.60

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Solution

The fourth proportional to 38,211.63, 57,256.76 and 25,685.60 is: 38,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.63 : 57,256.76 = 25,685.60 : x
  2. Step 2: Convert to fraction form
    38,211.63/57,256.76 = 25,685.60/x
  3. Step 3: Cross multiply
    38,211.63x = 57,256.76 × 25,685.60
  4. Step 4: Simplify right side
    38,211.63x = 1,470,673,819.94
  5. Step 5: Solve for x
    x = 1,470,673,819.94/38,211.63
  6. Step 6: Final answer
    x = 38,487.60

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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.