Home / 43,026.10-64,540.26-20,835.34

Finding the Fourth Proportional to 43,026.10, 64,540.26 and 20,835.34

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Solution

The fourth proportional to 43,026.10, 64,540.26 and 20,835.34 is: 31,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,026.10 : 64,540.26 = 20,835.34 : x
  2. Step 2: Convert to fraction form
    43,026.10/64,540.26 = 20,835.34/x
  3. Step 3: Cross multiply
    43,026.10x = 64,540.26 × 20,835.34
  4. Step 4: Simplify right side
    43,026.10x = 1,344,718,260.79
  5. Step 5: Solve for x
    x = 1,344,718,260.79/43,026.10
  6. Step 6: Final answer
    x = 31,253.55

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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.