Home / 41,187.50-61,781.79-13,485.50

Finding the Fourth Proportional to 41,187.50, 61,781.79 and 13,485.50

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Solution

The fourth proportional to 41,187.50, 61,781.79 and 13,485.50 is: 20,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187.50 : 61,781.79 = 13,485.50 : x
  2. Step 2: Convert to fraction form
    41,187.50/61,781.79 = 13,485.50/x
  3. Step 3: Cross multiply
    41,187.50x = 61,781.79 × 13,485.50
  4. Step 4: Simplify right side
    41,187.50x = 833,158,329.05
  5. Step 5: Solve for x
    x = 833,158,329.05/41,187.50
  6. Step 6: Final answer
    x = 20,228.43

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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.