Home / 41,219.88-61,834.36-13,133.40

Finding the Fourth Proportional to 41,219.88, 61,834.36 and 13,133.40

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Solution

The fourth proportional to 41,219.88, 61,834.36 and 13,133.40 is: 19,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,219.88 : 61,834.36 = 13,133.40 : x
  2. Step 2: Convert to fraction form
    41,219.88/61,834.36 = 13,133.40/x
  3. Step 3: Cross multiply
    41,219.88x = 61,834.36 × 13,133.40
  4. Step 4: Simplify right side
    41,219.88x = 812,095,383.62
  5. Step 5: Solve for x
    x = 812,095,383.62/41,219.88
  6. Step 6: Final answer
    x = 19,701.55

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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.