Home / 31,716.09-47,576.19-10,655.28

Finding the Fourth Proportional to 31,716.09, 47,576.19 and 10,655.28

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Solution

The fourth proportional to 31,716.09, 47,576.19 and 10,655.28 is: 15,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.09 : 47,576.19 = 10,655.28 : x
  2. Step 2: Convert to fraction form
    31,716.09/47,576.19 = 10,655.28/x
  3. Step 3: Cross multiply
    31,716.09x = 47,576.19 × 10,655.28
  4. Step 4: Simplify right side
    31,716.09x = 506,937,625.78
  5. Step 5: Solve for x
    x = 506,937,625.78/31,716.09
  6. Step 6: Final answer
    x = 15,983.61

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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.