Home / 30,772.08-46,118.03-13,892.54

Finding the Fourth Proportional to 30,772.08, 46,118.03 and 13,892.54

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Solution

The fourth proportional to 30,772.08, 46,118.03 and 13,892.54 is: 20,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.08 : 46,118.03 = 13,892.54 : x
  2. Step 2: Convert to fraction form
    30,772.08/46,118.03 = 13,892.54/x
  3. Step 3: Cross multiply
    30,772.08x = 46,118.03 × 13,892.54
  4. Step 4: Simplify right side
    30,772.08x = 640,696,535.86
  5. Step 5: Solve for x
    x = 640,696,535.86/30,772.08
  6. Step 6: Final answer
    x = 20,820.71

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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.