Home / 31,318.26-46,981.72-10,259.96

Finding the Fourth Proportional to 31,318.26, 46,981.72 and 10,259.96

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Solution

The fourth proportional to 31,318.26, 46,981.72 and 10,259.96 is: 15,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.26 : 46,981.72 = 10,259.96 : x
  2. Step 2: Convert to fraction form
    31,318.26/46,981.72 = 10,259.96/x
  3. Step 3: Cross multiply
    31,318.26x = 46,981.72 × 10,259.96
  4. Step 4: Simplify right side
    31,318.26x = 482,030,580.76
  5. Step 5: Solve for x
    x = 482,030,580.76/31,318.26
  6. Step 6: Final answer
    x = 15,391.36

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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.