Home / 44,415.10-66,513.30-21,014.20

Finding the Fourth Proportional to 44,415.10, 66,513.30 and 21,014.20

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Solution

The fourth proportional to 44,415.10, 66,513.30 and 21,014.20 is: 31,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,415.10 : 66,513.30 = 21,014.20 : x
  2. Step 2: Convert to fraction form
    44,415.10/66,513.30 = 21,014.20/x
  3. Step 3: Cross multiply
    44,415.10x = 66,513.30 × 21,014.20
  4. Step 4: Simplify right side
    44,415.10x = 1,397,723,788.86
  5. Step 5: Solve for x
    x = 1,397,723,788.86/44,415.10
  6. Step 6: Final answer
    x = 31,469.56

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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.