Home / 31,242.33-46,874.43-13,709.88

Finding the Fourth Proportional to 31,242.33, 46,874.43 and 13,709.88

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Solution

The fourth proportional to 31,242.33, 46,874.43 and 13,709.88 is: 20,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.33 : 46,874.43 = 13,709.88 : x
  2. Step 2: Convert to fraction form
    31,242.33/46,874.43 = 13,709.88/x
  3. Step 3: Cross multiply
    31,242.33x = 46,874.43 × 13,709.88
  4. Step 4: Simplify right side
    31,242.33x = 642,642,810.37
  5. Step 5: Solve for x
    x = 642,642,810.37/31,242.33
  6. Step 6: Final answer
    x = 20,569.62

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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.