Home / 38,109.96-52,586.82-21,342.96

Finding the Fourth Proportional to 38,109.96, 52,586.82 and 21,342.96

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Solution

The fourth proportional to 38,109.96, 52,586.82 and 21,342.96 is: 29,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.96 : 52,586.82 = 21,342.96 : x
  2. Step 2: Convert to fraction form
    38,109.96/52,586.82 = 21,342.96/x
  3. Step 3: Cross multiply
    38,109.96x = 52,586.82 × 21,342.96
  4. Step 4: Simplify right side
    38,109.96x = 1,122,358,395.79
  5. Step 5: Solve for x
    x = 1,122,358,395.79/38,109.96
  6. Step 6: Final answer
    x = 29,450.53

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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.