Home / 41,209.35-61,810.61-13,128.27

Finding the Fourth Proportional to 41,209.35, 61,810.61 and 13,128.27

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Solution

The fourth proportional to 41,209.35, 61,810.61 and 13,128.27 is: 19,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,209.35 : 61,810.61 = 13,128.27 : x
  2. Step 2: Convert to fraction form
    41,209.35/61,810.61 = 13,128.27/x
  3. Step 3: Cross multiply
    41,209.35x = 61,810.61 × 13,128.27
  4. Step 4: Simplify right side
    41,209.35x = 811,466,376.94
  5. Step 5: Solve for x
    x = 811,466,376.94/41,209.35
  6. Step 6: Final answer
    x = 19,691.32

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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.