Home / 81,626.31-122,427.04-27,590.29

Finding the Fourth Proportional to 81,626.31, 122,427.04 and 27,590.29

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Solution

The fourth proportional to 81,626.31, 122,427.04 and 27,590.29 is: 41,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,626.31 : 122,427.04 = 27,590.29 : x
  2. Step 2: Convert to fraction form
    81,626.31/122,427.04 = 27,590.29/x
  3. Step 3: Cross multiply
    81,626.31x = 122,427.04 × 27,590.29
  4. Step 4: Simplify right side
    81,626.31x = 3,377,797,537.44
  5. Step 5: Solve for x
    x = 3,377,797,537.44/81,626.31
  6. Step 6: Final answer
    x = 41,381.24

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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.