Home / 36,401.04-50,107.12-31,381.88

Finding the Fourth Proportional to 36,401.04, 50,107.12 and 31,381.88

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Solution

The fourth proportional to 36,401.04, 50,107.12 and 31,381.88 is: 43,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.04 : 50,107.12 = 31,381.88 : x
  2. Step 2: Convert to fraction form
    36,401.04/50,107.12 = 31,381.88/x
  3. Step 3: Cross multiply
    36,401.04x = 50,107.12 × 31,381.88
  4. Step 4: Simplify right side
    36,401.04x = 1,572,455,626.99
  5. Step 5: Solve for x
    x = 1,572,455,626.99/36,401.04
  6. Step 6: Final answer
    x = 43,198.10

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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.