Home / 41,128.32-61,718.00-18,944.85

Finding the Fourth Proportional to 41,128.32, 61,718.00 and 18,944.85

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Solution

The fourth proportional to 41,128.32, 61,718.00 and 18,944.85 is: 28,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.32 : 61,718.00 = 18,944.85 : x
  2. Step 2: Convert to fraction form
    41,128.32/61,718.00 = 18,944.85/x
  3. Step 3: Cross multiply
    41,128.32x = 61,718.00 × 18,944.85
  4. Step 4: Simplify right side
    41,128.32x = 1,169,238,157.58
  5. Step 5: Solve for x
    x = 1,169,238,157.58/41,128.32
  6. Step 6: Final answer
    x = 28,429.03

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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.