Home / 31,849.80-47,784.30-17,065.80

Finding the Fourth Proportional to 31,849.80, 47,784.30 and 17,065.80

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Solution

The fourth proportional to 31,849.80, 47,784.30 and 17,065.80 is: 25,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.80 : 47,784.30 = 17,065.80 : x
  2. Step 2: Convert to fraction form
    31,849.80/47,784.30 = 17,065.80/x
  3. Step 3: Cross multiply
    31,849.80x = 47,784.30 × 17,065.80
  4. Step 4: Simplify right side
    31,849.80x = 815,477,306.94
  5. Step 5: Solve for x
    x = 815,477,306.94/31,849.80
  6. Step 6: Final answer
    x = 25,603.84

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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.