Home / 31,011.86-46,523.37-11,318.06

Finding the Fourth Proportional to 31,011.86, 46,523.37 and 11,318.06

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Solution

The fourth proportional to 31,011.86, 46,523.37 and 11,318.06 is: 16,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.86 : 46,523.37 = 11,318.06 : x
  2. Step 2: Convert to fraction form
    31,011.86/46,523.37 = 11,318.06/x
  3. Step 3: Cross multiply
    31,011.86x = 46,523.37 × 11,318.06
  4. Step 4: Simplify right side
    31,011.86x = 526,554,293.06
  5. Step 5: Solve for x
    x = 526,554,293.06/31,011.86
  6. Step 6: Final answer
    x = 16,979.13

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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.