Home / 41,216.37-61,829.10-13,129.89

Finding the Fourth Proportional to 41,216.37, 61,829.10 and 13,129.89

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Solution

The fourth proportional to 41,216.37, 61,829.10 and 13,129.89 is: 19,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,216.37 : 61,829.10 = 13,129.89 : x
  2. Step 2: Convert to fraction form
    41,216.37/61,829.10 = 13,129.89/x
  3. Step 3: Cross multiply
    41,216.37x = 61,829.10 × 13,129.89
  4. Step 4: Simplify right side
    41,216.37x = 811,809,281.80
  5. Step 5: Solve for x
    x = 811,809,281.80/41,216.37
  6. Step 6: Final answer
    x = 19,696.28

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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.