Home / 31,168.60-46,725.09-13,624.54

Finding the Fourth Proportional to 31,168.60, 46,725.09 and 13,624.54

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Solution

The fourth proportional to 31,168.60, 46,725.09 and 13,624.54 is: 20,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.60 : 46,725.09 = 13,624.54 : x
  2. Step 2: Convert to fraction form
    31,168.60/46,725.09 = 13,624.54/x
  3. Step 3: Cross multiply
    31,168.60x = 46,725.09 × 13,624.54
  4. Step 4: Simplify right side
    31,168.60x = 636,607,857.71
  5. Step 5: Solve for x
    x = 636,607,857.71/31,168.60
  6. Step 6: Final answer
    x = 20,424.65

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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.