Home / 41,420.85-62,120.85-11,838.84

Finding the Fourth Proportional to 41,420.85, 62,120.85 and 11,838.84

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Solution

The fourth proportional to 41,420.85, 62,120.85 and 11,838.84 is: 17,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.85 : 62,120.85 = 11,838.84 : x
  2. Step 2: Convert to fraction form
    41,420.85/62,120.85 = 11,838.84/x
  3. Step 3: Cross multiply
    41,420.85x = 62,120.85 × 11,838.84
  4. Step 4: Simplify right side
    41,420.85x = 735,438,803.81
  5. Step 5: Solve for x
    x = 735,438,803.81/41,420.85
  6. Step 6: Final answer
    x = 17,755.28

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1.5x scale

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.