Home / 31,340.52-46,986.10-15,534.68

Finding the Fourth Proportional to 31,340.52, 46,986.10 and 15,534.68

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Solution

The fourth proportional to 31,340.52, 46,986.10 and 15,534.68 is: 23,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.52 : 46,986.10 = 15,534.68 : x
  2. Step 2: Convert to fraction form
    31,340.52/46,986.10 = 15,534.68/x
  3. Step 3: Cross multiply
    31,340.52x = 46,986.10 × 15,534.68
  4. Step 4: Simplify right side
    31,340.52x = 729,914,027.95
  5. Step 5: Solve for x
    x = 729,914,027.95/31,340.52
  6. Step 6: Final answer
    x = 23,289.79

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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.