Home / 31,300.37-46,965.74-13,767.92

Finding the Fourth Proportional to 31,300.37, 46,965.74 and 13,767.92

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Solution

The fourth proportional to 31,300.37, 46,965.74 and 13,767.92 is: 20,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.37 : 46,965.74 = 13,767.92 : x
  2. Step 2: Convert to fraction form
    31,300.37/46,965.74 = 13,767.92/x
  3. Step 3: Cross multiply
    31,300.37x = 46,965.74 × 13,767.92
  4. Step 4: Simplify right side
    31,300.37x = 646,620,247.39
  5. Step 5: Solve for x
    x = 646,620,247.39/31,300.37
  6. Step 6: Final answer
    x = 20,658.55

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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.