Home / 31,153.05-46,727.91-8,965.53

Finding the Fourth Proportional to 31,153.05, 46,727.91 and 8,965.53

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Solution

The fourth proportional to 31,153.05, 46,727.91 and 8,965.53 is: 13,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153.05 : 46,727.91 = 8,965.53 : x
  2. Step 2: Convert to fraction form
    31,153.05/46,727.91 = 8,965.53/x
  3. Step 3: Cross multiply
    31,153.05x = 46,727.91 × 8,965.53
  4. Step 4: Simplify right side
    31,153.05x = 418,940,478.94
  5. Step 5: Solve for x
    x = 418,940,478.94/31,153.05
  6. Step 6: Final answer
    x = 13,447.82

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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.