Home / 38,488.48-57,734.34-12,192.64

Finding the Fourth Proportional to 38,488.48, 57,734.34 and 12,192.64

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Solution

The fourth proportional to 38,488.48, 57,734.34 and 12,192.64 is: 18,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.48 : 57,734.34 = 12,192.64 : x
  2. Step 2: Convert to fraction form
    38,488.48/57,734.34 = 12,192.64/x
  3. Step 3: Cross multiply
    38,488.48x = 57,734.34 × 12,192.64
  4. Step 4: Simplify right side
    38,488.48x = 703,934,023.26
  5. Step 5: Solve for x
    x = 703,934,023.26/38,488.48
  6. Step 6: Final answer
    x = 18,289.47

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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.