Home / 41,028.16-61,490.40-21,311.68

Finding the Fourth Proportional to 41,028.16, 61,490.40 and 21,311.68

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Solution

The fourth proportional to 41,028.16, 61,490.40 and 21,311.68 is: 31,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,028.16 : 61,490.40 = 21,311.68 : x
  2. Step 2: Convert to fraction form
    41,028.16/61,490.40 = 21,311.68/x
  3. Step 3: Cross multiply
    41,028.16x = 61,490.40 × 21,311.68
  4. Step 4: Simplify right side
    41,028.16x = 1,310,463,727.87
  5. Step 5: Solve for x
    x = 1,310,463,727.87/41,028.16
  6. Step 6: Final answer
    x = 31,940.59

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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.