Home / 38,349.20-57,530.10-12,047.60

Finding the Fourth Proportional to 38,349.20, 57,530.10 and 12,047.60

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Solution

The fourth proportional to 38,349.20, 57,530.10 and 12,047.60 is: 18,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.20 : 57,530.10 = 12,047.60 : x
  2. Step 2: Convert to fraction form
    38,349.20/57,530.10 = 12,047.60/x
  3. Step 3: Cross multiply
    38,349.20x = 57,530.10 × 12,047.60
  4. Step 4: Simplify right side
    38,349.20x = 693,099,632.76
  5. Step 5: Solve for x
    x = 693,099,632.76/38,349.20
  6. Step 6: Final answer
    x = 18,073.38

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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.