Home / 43,583.20-65,376.85-13,617.88

Finding the Fourth Proportional to 43,583.20, 65,376.85 and 13,617.88

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Solution

The fourth proportional to 43,583.20, 65,376.85 and 13,617.88 is: 20,427.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,583.20 : 65,376.85 = 13,617.88 : x
  2. Step 2: Convert to fraction form
    43,583.20/65,376.85 = 13,617.88/x
  3. Step 3: Cross multiply
    43,583.20x = 65,376.85 × 13,617.88
  4. Step 4: Simplify right side
    43,583.20x = 890,294,098.08
  5. Step 5: Solve for x
    x = 890,294,098.08/43,583.20
  6. Step 6: Final answer
    x = 20,427.46

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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.