Home / 31,071.15-46,581.21-12,343.14

Finding the Fourth Proportional to 31,071.15, 46,581.21 and 12,343.14

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Solution

The fourth proportional to 31,071.15, 46,581.21 and 12,343.14 is: 18,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.15 : 46,581.21 = 12,343.14 : x
  2. Step 2: Convert to fraction form
    31,071.15/46,581.21 = 12,343.14/x
  3. Step 3: Cross multiply
    31,071.15x = 46,581.21 × 12,343.14
  4. Step 4: Simplify right side
    31,071.15x = 574,958,396.40
  5. Step 5: Solve for x
    x = 574,958,396.40/31,071.15
  6. Step 6: Final answer
    x = 18,504.57

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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.