Home / 43,304.23-64,958.17-13,721.41

Finding the Fourth Proportional to 43,304.23, 64,958.17 and 13,721.41

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Solution

The fourth proportional to 43,304.23, 64,958.17 and 13,721.41 is: 20,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,304.23 : 64,958.17 = 13,721.41 : x
  2. Step 2: Convert to fraction form
    43,304.23/64,958.17 = 13,721.41/x
  3. Step 3: Cross multiply
    43,304.23x = 64,958.17 × 13,721.41
  4. Step 4: Simplify right side
    43,304.23x = 891,317,486.72
  5. Step 5: Solve for x
    x = 891,317,486.72/43,304.23
  6. Step 6: Final answer
    x = 20,582.69

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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.