Home / 31,217.25-46,825.92-12,749.25

Finding the Fourth Proportional to 31,217.25, 46,825.92 and 12,749.25

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Solution

The fourth proportional to 31,217.25, 46,825.92 and 12,749.25 is: 19,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.25 : 46,825.92 = 12,749.25 : x
  2. Step 2: Convert to fraction form
    31,217.25/46,825.92 = 12,749.25/x
  3. Step 3: Cross multiply
    31,217.25x = 46,825.92 × 12,749.25
  4. Step 4: Simplify right side
    31,217.25x = 596,995,360.56
  5. Step 5: Solve for x
    x = 596,995,360.56/31,217.25
  6. Step 6: Final answer
    x = 19,123.89

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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.