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Finding the Fourth Proportional to 55,006, 82,510.62 and 13,453

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Solution

The fourth proportional to 55,006, 82,510.62 and 13,453 is: 20,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006 : 82,510.62 = 13,453 : x
  2. Step 2: Convert to fraction form
    55,006/82,510.62 = 13,453/x
  3. Step 3: Cross multiply
    55,006x = 82,510.62 × 13,453
  4. Step 4: Simplify right side
    55,006x = 1,110,015,370.86
  5. Step 5: Solve for x
    x = 1,110,015,370.86/55,006
  6. Step 6: Final answer
    x = 20,179.90

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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.