Home / 41,423-62,135.94-13,720.28

Finding the Fourth Proportional to 41,423, 62,135.94 and 13,720.28

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Solution

The fourth proportional to 41,423, 62,135.94 and 13,720.28 is: 20,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,423 : 62,135.94 = 13,720.28 : x
  2. Step 2: Convert to fraction form
    41,423/62,135.94 = 13,720.28/x
  3. Step 3: Cross multiply
    41,423x = 62,135.94 × 13,720.28
  4. Step 4: Simplify right side
    41,423x = 852,522,494.86
  5. Step 5: Solve for x
    x = 852,522,494.86/41,423
  6. Step 6: Final answer
    x = 20,580.90

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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.