Home / 31,199.68-43,050.58-17,771.20

Finding the Fourth Proportional to 31,199.68, 43,050.58 and 17,771.20

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Solution

The fourth proportional to 31,199.68, 43,050.58 and 17,771.20 is: 24,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.68 : 43,050.58 = 17,771.20 : x
  2. Step 2: Convert to fraction form
    31,199.68/43,050.58 = 17,771.20/x
  3. Step 3: Cross multiply
    31,199.68x = 43,050.58 × 17,771.20
  4. Step 4: Simplify right side
    31,199.68x = 765,060,315.24
  5. Step 5: Solve for x
    x = 765,060,315.24/31,199.68
  6. Step 6: Final answer
    x = 24,521.42

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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.