Home / 38,985.24-58,481.52-12,682.92

Finding the Fourth Proportional to 38,985.24, 58,481.52 and 12,682.92

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Solution

The fourth proportional to 38,985.24, 58,481.52 and 12,682.92 is: 19,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.24 : 58,481.52 = 12,682.92 : x
  2. Step 2: Convert to fraction form
    38,985.24/58,481.52 = 12,682.92/x
  3. Step 3: Cross multiply
    38,985.24x = 58,481.52 × 12,682.92
  4. Step 4: Simplify right side
    38,985.24x = 741,716,439.64
  5. Step 5: Solve for x
    x = 741,716,439.64/38,985.24
  6. Step 6: Final answer
    x = 19,025.57

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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.