Home / 34,381.85-51,539.81-21,863.12

Finding the Fourth Proportional to 34,381.85, 51,539.81 and 21,863.12

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Solution

The fourth proportional to 34,381.85, 51,539.81 and 21,863.12 is: 32,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,381.85 : 51,539.81 = 21,863.12 : x
  2. Step 2: Convert to fraction form
    34,381.85/51,539.81 = 21,863.12/x
  3. Step 3: Cross multiply
    34,381.85x = 51,539.81 × 21,863.12
  4. Step 4: Simplify right side
    34,381.85x = 1,126,821,050.81
  5. Step 5: Solve for x
    x = 1,126,821,050.81/34,381.85
  6. Step 6: Final answer
    x = 32,773.72

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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.