Home / 43,164.26-64,652.40-20,930.56

Finding the Fourth Proportional to 43,164.26, 64,652.40 and 20,930.56

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Solution

The fourth proportional to 43,164.26, 64,652.40 and 20,930.56 is: 31,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.26 : 64,652.40 = 20,930.56 : x
  2. Step 2: Convert to fraction form
    43,164.26/64,652.40 = 20,930.56/x
  3. Step 3: Cross multiply
    43,164.26x = 64,652.40 × 20,930.56
  4. Step 4: Simplify right side
    43,164.26x = 1,353,210,937.34
  5. Step 5: Solve for x
    x = 1,353,210,937.34/43,164.26
  6. Step 6: Final answer
    x = 31,350.26

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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.