Home / 31,983.64-47,973.84-11,205.52

Finding the Fourth Proportional to 31,983.64, 47,973.84 and 11,205.52

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Solution

The fourth proportional to 31,983.64, 47,973.84 and 11,205.52 is: 16,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.64 : 47,973.84 = 11,205.52 : x
  2. Step 2: Convert to fraction form
    31,983.64/47,973.84 = 11,205.52/x
  3. Step 3: Cross multiply
    31,983.64x = 47,973.84 × 11,205.52
  4. Step 4: Simplify right side
    31,983.64x = 537,571,823.60
  5. Step 5: Solve for x
    x = 537,571,823.60/31,983.64
  6. Step 6: Final answer
    x = 16,807.71

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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.