Home / 31,212.42-46,823.29-11,489.48

Finding the Fourth Proportional to 31,212.42, 46,823.29 and 11,489.48

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Solution

The fourth proportional to 31,212.42, 46,823.29 and 11,489.48 is: 17,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.42 : 46,823.29 = 11,489.48 : x
  2. Step 2: Convert to fraction form
    31,212.42/46,823.29 = 11,489.48/x
  3. Step 3: Cross multiply
    31,212.42x = 46,823.29 × 11,489.48
  4. Step 4: Simplify right side
    31,212.42x = 537,975,253.99
  5. Step 5: Solve for x
    x = 537,975,253.99/31,212.42
  6. Step 6: Final answer
    x = 17,235.94

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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.