Home / 31,006.80-46,529.64-12,296.88

Finding the Fourth Proportional to 31,006.80, 46,529.64 and 12,296.88

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Solution

The fourth proportional to 31,006.80, 46,529.64 and 12,296.88 is: 18,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.80 : 46,529.64 = 12,296.88 : x
  2. Step 2: Convert to fraction form
    31,006.80/46,529.64 = 12,296.88/x
  3. Step 3: Cross multiply
    31,006.80x = 46,529.64 × 12,296.88
  4. Step 4: Simplify right side
    31,006.80x = 572,169,399.52
  5. Step 5: Solve for x
    x = 572,169,399.52/31,006.80
  6. Step 6: Final answer
    x = 18,453.03

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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.