Home / 41,214.87-61,826.85-13,128.39

Finding the Fourth Proportional to 41,214.87, 61,826.85 and 13,128.39

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Solution

The fourth proportional to 41,214.87, 61,826.85 and 13,128.39 is: 19,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,214.87 : 61,826.85 = 13,128.39 : x
  2. Step 2: Convert to fraction form
    41,214.87/61,826.85 = 13,128.39/x
  3. Step 3: Cross multiply
    41,214.87x = 61,826.85 × 13,128.39
  4. Step 4: Simplify right side
    41,214.87x = 811,686,999.27
  5. Step 5: Solve for x
    x = 811,686,999.27/41,214.87
  6. Step 6: Final answer
    x = 19,694.03

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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.