Home / 43,051.30-64,546.09-20,242.39

Finding the Fourth Proportional to 43,051.30, 64,546.09 and 20,242.39

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Solution

The fourth proportional to 43,051.30, 64,546.09 and 20,242.39 is: 30,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,051.30 : 64,546.09 = 20,242.39 : x
  2. Step 2: Convert to fraction form
    43,051.30/64,546.09 = 20,242.39/x
  3. Step 3: Cross multiply
    43,051.30x = 64,546.09 × 20,242.39
  4. Step 4: Simplify right side
    43,051.30x = 1,306,566,778.72
  5. Step 5: Solve for x
    x = 1,306,566,778.72/43,051.30
  6. Step 6: Final answer
    x = 30,349.07

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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.