Home / 31,311.04-43,212.23-17,884.30

Finding the Fourth Proportional to 31,311.04, 43,212.23 and 17,884.30

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Solution

The fourth proportional to 31,311.04, 43,212.23 and 17,884.30 is: 24,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.04 : 43,212.23 = 17,884.30 : x
  2. Step 2: Convert to fraction form
    31,311.04/43,212.23 = 17,884.30/x
  3. Step 3: Cross multiply
    31,311.04x = 43,212.23 × 17,884.30
  4. Step 4: Simplify right side
    31,311.04x = 772,820,484.99
  5. Step 5: Solve for x
    x = 772,820,484.99/31,311.04
  6. Step 6: Final answer
    x = 24,682.04

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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.