Home / 43,081.23-64,609.29-16,779.72

Finding the Fourth Proportional to 43,081.23, 64,609.29 and 16,779.72

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Solution

The fourth proportional to 43,081.23, 64,609.29 and 16,779.72 is: 25,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.23 : 64,609.29 = 16,779.72 : x
  2. Step 2: Convert to fraction form
    43,081.23/64,609.29 = 16,779.72/x
  3. Step 3: Cross multiply
    43,081.23x = 64,609.29 × 16,779.72
  4. Step 4: Simplify right side
    43,081.23x = 1,084,125,795.60
  5. Step 5: Solve for x
    x = 1,084,125,795.60/43,081.23
  6. Step 6: Final answer
    x = 25,164.69

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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.