Home / 31,126.53-46,696.73-8,938.17

Finding the Fourth Proportional to 31,126.53, 46,696.73 and 8,938.17

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Solution

The fourth proportional to 31,126.53, 46,696.73 and 8,938.17 is: 13,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.53 : 46,696.73 = 8,938.17 : x
  2. Step 2: Convert to fraction form
    31,126.53/46,696.73 = 8,938.17/x
  3. Step 3: Cross multiply
    31,126.53x = 46,696.73 × 8,938.17
  4. Step 4: Simplify right side
    31,126.53x = 417,383,266.49
  5. Step 5: Solve for x
    x = 417,383,266.49/31,126.53
  6. Step 6: Final answer
    x = 13,409.24

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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.