Home / 38,466.76-57,703.38-12,170.92

Finding the Fourth Proportional to 38,466.76, 57,703.38 and 12,170.92

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Solution

The fourth proportional to 38,466.76, 57,703.38 and 12,170.92 is: 18,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,466.76 : 57,703.38 = 12,170.92 : x
  2. Step 2: Convert to fraction form
    38,466.76/57,703.38 = 12,170.92/x
  3. Step 3: Cross multiply
    38,466.76x = 57,703.38 × 12,170.92
  4. Step 4: Simplify right side
    38,466.76x = 702,303,221.71
  5. Step 5: Solve for x
    x = 702,303,221.71/38,466.76
  6. Step 6: Final answer
    x = 18,257.41

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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.