Home / 31,049.20-46,580.64-8,862.08

Finding the Fourth Proportional to 31,049.20, 46,580.64 and 8,862.08

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Solution

The fourth proportional to 31,049.20, 46,580.64 and 8,862.08 is: 13,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.20 : 46,580.64 = 8,862.08 : x
  2. Step 2: Convert to fraction form
    31,049.20/46,580.64 = 8,862.08/x
  3. Step 3: Cross multiply
    31,049.20x = 46,580.64 × 8,862.08
  4. Step 4: Simplify right side
    31,049.20x = 412,801,358.13
  5. Step 5: Solve for x
    x = 412,801,358.13/31,049.20
  6. Step 6: Final answer
    x = 13,295.07

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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.