Home / 38,462.08-57,698.88-12,158.32

Finding the Fourth Proportional to 38,462.08, 57,698.88 and 12,158.32

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Solution

The fourth proportional to 38,462.08, 57,698.88 and 12,158.32 is: 18,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,462.08 : 57,698.88 = 12,158.32 : x
  2. Step 2: Convert to fraction form
    38,462.08/57,698.88 = 12,158.32/x
  3. Step 3: Cross multiply
    38,462.08x = 57,698.88 × 12,158.32
  4. Step 4: Simplify right side
    38,462.08x = 701,521,446.68
  5. Step 5: Solve for x
    x = 701,521,446.68/38,462.08
  6. Step 6: Final answer
    x = 18,239.30

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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.