Home / 41,729.89-57,555.86-28,983.09

Finding the Fourth Proportional to 41,729.89, 57,555.86 and 28,983.09

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Solution

The fourth proportional to 41,729.89, 57,555.86 and 28,983.09 is: 39,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,729.89 : 57,555.86 = 28,983.09 : x
  2. Step 2: Convert to fraction form
    41,729.89/57,555.86 = 28,983.09/x
  3. Step 3: Cross multiply
    41,729.89x = 57,555.86 × 28,983.09
  4. Step 4: Simplify right side
    41,729.89x = 1,668,146,670.41
  5. Step 5: Solve for x
    x = 1,668,146,670.41/41,729.89
  6. Step 6: Final answer
    x = 39,974.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.