Home / 31,211.39-46,795.20-11,487.38

Finding the Fourth Proportional to 31,211.39, 46,795.20 and 11,487.38

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Solution

The fourth proportional to 31,211.39, 46,795.20 and 11,487.38 is: 17,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.39 : 46,795.20 = 11,487.38 : x
  2. Step 2: Convert to fraction form
    31,211.39/46,795.20 = 11,487.38/x
  3. Step 3: Cross multiply
    31,211.39x = 46,795.20 × 11,487.38
  4. Step 4: Simplify right side
    31,211.39x = 537,554,010.60
  5. Step 5: Solve for x
    x = 537,554,010.60/31,211.39
  6. Step 6: Final answer
    x = 17,223.01

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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.