Home / 43,475.36-65,219.52-12,309.80

Finding the Fourth Proportional to 43,475.36, 65,219.52 and 12,309.80

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Solution

The fourth proportional to 43,475.36, 65,219.52 and 12,309.80 is: 18,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.36 : 65,219.52 = 12,309.80 : x
  2. Step 2: Convert to fraction form
    43,475.36/65,219.52 = 12,309.80/x
  3. Step 3: Cross multiply
    43,475.36x = 65,219.52 × 12,309.80
  4. Step 4: Simplify right side
    43,475.36x = 802,839,247.30
  5. Step 5: Solve for x
    x = 802,839,247.30/43,475.36
  6. Step 6: Final answer
    x = 18,466.53

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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.