Home / 40,779.91-61,128.54-27,633.61

Finding the Fourth Proportional to 40,779.91, 61,128.54 and 27,633.61

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Solution

The fourth proportional to 40,779.91, 61,128.54 and 27,633.61 is: 41,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.91 : 61,128.54 = 27,633.61 : x
  2. Step 2: Convert to fraction form
    40,779.91/61,128.54 = 27,633.61/x
  3. Step 3: Cross multiply
    40,779.91x = 61,128.54 × 27,633.61
  4. Step 4: Simplify right side
    40,779.91x = 1,689,202,096.06
  5. Step 5: Solve for x
    x = 1,689,202,096.06/40,779.91
  6. Step 6: Final answer
    x = 41,422.41

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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.