Home / 31,113.22-46,651.06-12,396.15

Finding the Fourth Proportional to 31,113.22, 46,651.06 and 12,396.15

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Solution

The fourth proportional to 31,113.22, 46,651.06 and 12,396.15 is: 18,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.22 : 46,651.06 = 12,396.15 : x
  2. Step 2: Convert to fraction form
    31,113.22/46,651.06 = 12,396.15/x
  3. Step 3: Cross multiply
    31,113.22x = 46,651.06 × 12,396.15
  4. Step 4: Simplify right side
    31,113.22x = 578,293,537.42
  5. Step 5: Solve for x
    x = 578,293,537.42/31,113.22
  6. Step 6: Final answer
    x = 18,586.75

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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.