Home / 31,255.63-46,870.81-11,529.79

Finding the Fourth Proportional to 31,255.63, 46,870.81 and 11,529.79

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Solution

The fourth proportional to 31,255.63, 46,870.81 and 11,529.79 is: 17,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.63 : 46,870.81 = 11,529.79 : x
  2. Step 2: Convert to fraction form
    31,255.63/46,870.81 = 11,529.79/x
  3. Step 3: Cross multiply
    31,255.63x = 46,870.81 × 11,529.79
  4. Step 4: Simplify right side
    31,255.63x = 540,410,450.43
  5. Step 5: Solve for x
    x = 540,410,450.43/31,255.63
  6. Step 6: Final answer
    x = 17,290.02

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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.