Home / 31,212.54-46,808.49-15,619.50

Finding the Fourth Proportional to 31,212.54, 46,808.49 and 15,619.50

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Solution

The fourth proportional to 31,212.54, 46,808.49 and 15,619.50 is: 23,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.54 : 46,808.49 = 15,619.50 : x
  2. Step 2: Convert to fraction form
    31,212.54/46,808.49 = 15,619.50/x
  3. Step 3: Cross multiply
    31,212.54x = 46,808.49 × 15,619.50
  4. Step 4: Simplify right side
    31,212.54x = 731,125,209.56
  5. Step 5: Solve for x
    x = 731,125,209.56/31,212.54
  6. Step 6: Final answer
    x = 23,424.09

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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.