Home / 31,770.99-47,671.88-13,064.85

Finding the Fourth Proportional to 31,770.99, 47,671.88 and 13,064.85

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Solution

The fourth proportional to 31,770.99, 47,671.88 and 13,064.85 is: 19,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.99 : 47,671.88 = 13,064.85 : x
  2. Step 2: Convert to fraction form
    31,770.99/47,671.88 = 13,064.85/x
  3. Step 3: Cross multiply
    31,770.99x = 47,671.88 × 13,064.85
  4. Step 4: Simplify right side
    31,770.99x = 622,825,896.09
  5. Step 5: Solve for x
    x = 622,825,896.09/31,770.99
  6. Step 6: Final answer
    x = 19,603.60

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1.5x scale

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.