Home / 34,905.65-52,380.34-14,129.15

Finding the Fourth Proportional to 34,905.65, 52,380.34 and 14,129.15

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Solution

The fourth proportional to 34,905.65, 52,380.34 and 14,129.15 is: 21,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.65 : 52,380.34 = 14,129.15 : x
  2. Step 2: Convert to fraction form
    34,905.65/52,380.34 = 14,129.15/x
  3. Step 3: Cross multiply
    34,905.65x = 52,380.34 × 14,129.15
  4. Step 4: Simplify right side
    34,905.65x = 740,089,383.69
  5. Step 5: Solve for x
    x = 740,089,383.69/34,905.65
  6. Step 6: Final answer
    x = 21,202.57

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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.