Home / 42,609.10-63,911.49-16,311.82

Finding the Fourth Proportional to 42,609.10, 63,911.49 and 16,311.82

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Solution

The fourth proportional to 42,609.10, 63,911.49 and 16,311.82 is: 24,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.10 : 63,911.49 = 16,311.82 : x
  2. Step 2: Convert to fraction form
    42,609.10/63,911.49 = 16,311.82/x
  3. Step 3: Cross multiply
    42,609.10x = 63,911.49 × 16,311.82
  4. Step 4: Simplify right side
    42,609.10x = 1,042,512,720.81
  5. Step 5: Solve for x
    x = 1,042,512,720.81/42,609.10
  6. Step 6: Final answer
    x = 24,466.90

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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.