Home / 41,420.35-62,120.10-11,838.34

Finding the Fourth Proportional to 41,420.35, 62,120.10 and 11,838.34

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Solution

The fourth proportional to 41,420.35, 62,120.10 and 11,838.34 is: 17,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.35 : 62,120.10 = 11,838.34 : x
  2. Step 2: Convert to fraction form
    41,420.35/62,120.10 = 11,838.34/x
  3. Step 3: Cross multiply
    41,420.35x = 62,120.10 × 11,838.34
  4. Step 4: Simplify right side
    41,420.35x = 735,398,864.63
  5. Step 5: Solve for x
    x = 735,398,864.63/41,420.35
  6. Step 6: Final answer
    x = 17,754.53

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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.