Home / 31,255.98-46,859.70-15,450.12

Finding the Fourth Proportional to 31,255.98, 46,859.70 and 15,450.12

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Solution

The fourth proportional to 31,255.98, 46,859.70 and 15,450.12 is: 23,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.98 : 46,859.70 = 15,450.12 : x
  2. Step 2: Convert to fraction form
    31,255.98/46,859.70 = 15,450.12/x
  3. Step 3: Cross multiply
    31,255.98x = 46,859.70 × 15,450.12
  4. Step 4: Simplify right side
    31,255.98x = 723,987,988.16
  5. Step 5: Solve for x
    x = 723,987,988.16/31,255.98
  6. Step 6: Final answer
    x = 23,163.18

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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.