Home / 31,977.58-47,966.46-11,196.22

Finding the Fourth Proportional to 31,977.58, 47,966.46 and 11,196.22

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Solution

The fourth proportional to 31,977.58, 47,966.46 and 11,196.22 is: 16,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.58 : 47,966.46 = 11,196.22 : x
  2. Step 2: Convert to fraction form
    31,977.58/47,966.46 = 11,196.22/x
  3. Step 3: Cross multiply
    31,977.58x = 47,966.46 × 11,196.22
  4. Step 4: Simplify right side
    31,977.58x = 537,043,038.78
  5. Step 5: Solve for x
    x = 537,043,038.78/31,977.58
  6. Step 6: Final answer
    x = 16,794.36

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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.