Home / 31,857.06-47,786.81-16,256.46

Finding the Fourth Proportional to 31,857.06, 47,786.81 and 16,256.46

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Solution

The fourth proportional to 31,857.06, 47,786.81 and 16,256.46 is: 24,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.06 : 47,786.81 = 16,256.46 : x
  2. Step 2: Convert to fraction form
    31,857.06/47,786.81 = 16,256.46/x
  3. Step 3: Cross multiply
    31,857.06x = 47,786.81 × 16,256.46
  4. Step 4: Simplify right side
    31,857.06x = 776,844,284.01
  5. Step 5: Solve for x
    x = 776,844,284.01/31,857.06
  6. Step 6: Final answer
    x = 24,385.31

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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.