Home / 31,150.71-46,703.43-12,425.13

Finding the Fourth Proportional to 31,150.71, 46,703.43 and 12,425.13

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Solution

The fourth proportional to 31,150.71, 46,703.43 and 12,425.13 is: 18,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,150.71 : 46,703.43 = 12,425.13 : x
  2. Step 2: Convert to fraction form
    31,150.71/46,703.43 = 12,425.13/x
  3. Step 3: Cross multiply
    31,150.71x = 46,703.43 × 12,425.13
  4. Step 4: Simplify right side
    31,150.71x = 580,296,189.20
  5. Step 5: Solve for x
    x = 580,296,189.20/31,150.71
  6. Step 6: Final answer
    x = 18,628.67

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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.