Home / 43,081.22-64,609.35-16,780.10

Finding the Fourth Proportional to 43,081.22, 64,609.35 and 16,780.10

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Solution

The fourth proportional to 43,081.22, 64,609.35 and 16,780.10 is: 25,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.22 : 64,609.35 = 16,780.10 : x
  2. Step 2: Convert to fraction form
    43,081.22/64,609.35 = 16,780.10/x
  3. Step 3: Cross multiply
    43,081.22x = 64,609.35 × 16,780.10
  4. Step 4: Simplify right side
    43,081.22x = 1,084,151,353.94
  5. Step 5: Solve for x
    x = 1,084,151,353.94/43,081.22
  6. Step 6: Final answer
    x = 25,165.29

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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.