Home / 30,986.24-46,479.30-8,799.82

Finding the Fourth Proportional to 30,986.24, 46,479.30 and 8,799.82

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Solution

The fourth proportional to 30,986.24, 46,479.30 and 8,799.82 is: 13,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.24 : 46,479.30 = 8,799.82 : x
  2. Step 2: Convert to fraction form
    30,986.24/46,479.30 = 8,799.82/x
  3. Step 3: Cross multiply
    30,986.24x = 46,479.30 × 8,799.82
  4. Step 4: Simplify right side
    30,986.24x = 409,009,473.73
  5. Step 5: Solve for x
    x = 409,009,473.73/30,986.24
  6. Step 6: Final answer
    x = 13,199.71

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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.