Home / 41,207.85-61,822.88-21,206.45

Finding the Fourth Proportional to 41,207.85, 61,822.88 and 21,206.45

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Solution

The fourth proportional to 41,207.85, 61,822.88 and 21,206.45 is: 31,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,207.85 : 61,822.88 = 21,206.45 : x
  2. Step 2: Convert to fraction form
    41,207.85/61,822.88 = 21,206.45/x
  3. Step 3: Cross multiply
    41,207.85x = 61,822.88 × 21,206.45
  4. Step 4: Simplify right side
    41,207.85x = 1,311,043,593.18
  5. Step 5: Solve for x
    x = 1,311,043,593.18/41,207.85
  6. Step 6: Final answer
    x = 31,815.38

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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.