Home / 30,855.11-46,275.44-8,670.60

Finding the Fourth Proportional to 30,855.11, 46,275.44 and 8,670.60

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Solution

The fourth proportional to 30,855.11, 46,275.44 and 8,670.60 is: 13,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.11 : 46,275.44 = 8,670.60 : x
  2. Step 2: Convert to fraction form
    30,855.11/46,275.44 = 8,670.60/x
  3. Step 3: Cross multiply
    30,855.11x = 46,275.44 × 8,670.60
  4. Step 4: Simplify right side
    30,855.11x = 401,235,786.71
  5. Step 5: Solve for x
    x = 401,235,786.71/30,855.11
  6. Step 6: Final answer
    x = 13,003.87

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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.