Home / 31,777.21-43,852.58-17,630.04

Finding the Fourth Proportional to 31,777.21, 43,852.58 and 17,630.04

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Solution

The fourth proportional to 31,777.21, 43,852.58 and 17,630.04 is: 24,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,777.21 : 43,852.58 = 17,630.04 : x
  2. Step 2: Convert to fraction form
    31,777.21/43,852.58 = 17,630.04/x
  3. Step 3: Cross multiply
    31,777.21x = 43,852.58 × 17,630.04
  4. Step 4: Simplify right side
    31,777.21x = 773,122,739.50
  5. Step 5: Solve for x
    x = 773,122,739.50/31,777.21
  6. Step 6: Final answer
    x = 24,329.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.