Home / 31,136.37-46,701.11-11,145.06

Finding the Fourth Proportional to 31,136.37, 46,701.11 and 11,145.06

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Solution

The fourth proportional to 31,136.37, 46,701.11 and 11,145.06 is: 16,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136.37 : 46,701.11 = 11,145.06 : x
  2. Step 2: Convert to fraction form
    31,136.37/46,701.11 = 11,145.06/x
  3. Step 3: Cross multiply
    31,136.37x = 46,701.11 × 11,145.06
  4. Step 4: Simplify right side
    31,136.37x = 520,486,617.29
  5. Step 5: Solve for x
    x = 520,486,617.29/31,136.37
  6. Step 6: Final answer
    x = 16,716.36

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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.