Home / 31,200.80-46,773.12-11,465.96

Finding the Fourth Proportional to 31,200.80, 46,773.12 and 11,465.96

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Solution

The fourth proportional to 31,200.80, 46,773.12 and 11,465.96 is: 17,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.80 : 46,773.12 = 11,465.96 : x
  2. Step 2: Convert to fraction form
    31,200.80/46,773.12 = 11,465.96/x
  3. Step 3: Cross multiply
    31,200.80x = 46,773.12 × 11,465.96
  4. Step 4: Simplify right side
    31,200.80x = 536,298,723.00
  5. Step 5: Solve for x
    x = 536,298,723.00/31,200.80
  6. Step 6: Final answer
    x = 17,188.62

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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.