Home / 31,120.36-46,682.88-8,933.56

Finding the Fourth Proportional to 31,120.36, 46,682.88 and 8,933.56

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Solution

The fourth proportional to 31,120.36, 46,682.88 and 8,933.56 is: 13,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.36 : 46,682.88 = 8,933.56 : x
  2. Step 2: Convert to fraction form
    31,120.36/46,682.88 = 8,933.56/x
  3. Step 3: Cross multiply
    31,120.36x = 46,682.88 × 8,933.56
  4. Step 4: Simplify right side
    31,120.36x = 417,044,309.45
  5. Step 5: Solve for x
    x = 417,044,309.45/31,120.36
  6. Step 6: Final answer
    x = 13,401.01

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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.