Home / 41,057.29-61,580.64-12,980.19

Finding the Fourth Proportional to 41,057.29, 61,580.64 and 12,980.19

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Solution

The fourth proportional to 41,057.29, 61,580.64 and 12,980.19 is: 19,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,057.29 : 61,580.64 = 12,980.19 : x
  2. Step 2: Convert to fraction form
    41,057.29/61,580.64 = 12,980.19/x
  3. Step 3: Cross multiply
    41,057.29x = 61,580.64 × 12,980.19
  4. Step 4: Simplify right side
    41,057.29x = 799,328,589.77
  5. Step 5: Solve for x
    x = 799,328,589.77/41,057.29
  6. Step 6: Final answer
    x = 19,468.62

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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.