Home / 31,213.24-46,810.10-10,431.88

Finding the Fourth Proportional to 31,213.24, 46,810.10 and 10,431.88

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Solution

The fourth proportional to 31,213.24, 46,810.10 and 10,431.88 is: 15,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.24 : 46,810.10 = 10,431.88 : x
  2. Step 2: Convert to fraction form
    31,213.24/46,810.10 = 10,431.88/x
  3. Step 3: Cross multiply
    31,213.24x = 46,810.10 × 10,431.88
  4. Step 4: Simplify right side
    31,213.24x = 488,317,345.99
  5. Step 5: Solve for x
    x = 488,317,345.99/31,213.24
  6. Step 6: Final answer
    x = 15,644.56

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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.