Home / 38,316.42-57,399.90-21,625.96

Finding the Fourth Proportional to 38,316.42, 57,399.90 and 21,625.96

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Solution

The fourth proportional to 38,316.42, 57,399.90 and 21,625.96 is: 32,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316.42 : 57,399.90 = 21,625.96 : x
  2. Step 2: Convert to fraction form
    38,316.42/57,399.90 = 21,625.96/x
  3. Step 3: Cross multiply
    38,316.42x = 57,399.90 × 21,625.96
  4. Step 4: Simplify right side
    38,316.42x = 1,241,327,941.40
  5. Step 5: Solve for x
    x = 1,241,327,941.40/38,316.42
  6. Step 6: Final answer
    x = 32,396.76

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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.