Home / 31,162.86-46,716.48-11,436.84

Finding the Fourth Proportional to 31,162.86, 46,716.48 and 11,436.84

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Solution

The fourth proportional to 31,162.86, 46,716.48 and 11,436.84 is: 17,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.86 : 46,716.48 = 11,436.84 : x
  2. Step 2: Convert to fraction form
    31,162.86/46,716.48 = 11,436.84/x
  3. Step 3: Cross multiply
    31,162.86x = 46,716.48 × 11,436.84
  4. Step 4: Simplify right side
    31,162.86x = 534,288,907.12
  5. Step 5: Solve for x
    x = 534,288,907.12/31,162.86
  6. Step 6: Final answer
    x = 17,145.05

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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.