Home / 43,376.04-65,058.30-12,213.72

Finding the Fourth Proportional to 43,376.04, 65,058.30 and 12,213.72

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Solution

The fourth proportional to 43,376.04, 65,058.30 and 12,213.72 is: 18,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.04 : 65,058.30 = 12,213.72 : x
  2. Step 2: Convert to fraction form
    43,376.04/65,058.30 = 12,213.72/x
  3. Step 3: Cross multiply
    43,376.04x = 65,058.30 × 12,213.72
  4. Step 4: Simplify right side
    43,376.04x = 794,603,859.88
  5. Step 5: Solve for x
    x = 794,603,859.88/43,376.04
  6. Step 6: Final answer
    x = 18,318.96

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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.