Home / 31,102.79-46,628.06-12,396.65

Finding the Fourth Proportional to 31,102.79, 46,628.06 and 12,396.65

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Solution

The fourth proportional to 31,102.79, 46,628.06 and 12,396.65 is: 18,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102.79 : 46,628.06 = 12,396.65 : x
  2. Step 2: Convert to fraction form
    31,102.79/46,628.06 = 12,396.65/x
  3. Step 3: Cross multiply
    31,102.79x = 46,628.06 × 12,396.65
  4. Step 4: Simplify right side
    31,102.79x = 578,031,444.88
  5. Step 5: Solve for x
    x = 578,031,444.88/31,102.79
  6. Step 6: Final answer
    x = 18,584.56

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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.