Home / 31,984.80-47,977.20-17,200.68

Finding the Fourth Proportional to 31,984.80, 47,977.20 and 17,200.68

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Solution

The fourth proportional to 31,984.80, 47,977.20 and 17,200.68 is: 25,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.80 : 47,977.20 = 17,200.68 : x
  2. Step 2: Convert to fraction form
    31,984.80/47,977.20 = 17,200.68/x
  3. Step 3: Cross multiply
    31,984.80x = 47,977.20 × 17,200.68
  4. Step 4: Simplify right side
    31,984.80x = 825,240,464.50
  5. Step 5: Solve for x
    x = 825,240,464.50/31,984.80
  6. Step 6: Final answer
    x = 25,801.02

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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.