Home / 43,186.42-64,779.64-16,872.72

Finding the Fourth Proportional to 43,186.42, 64,779.64 and 16,872.72

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Solution

The fourth proportional to 43,186.42, 64,779.64 and 16,872.72 is: 25,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.42 : 64,779.64 = 16,872.72 : x
  2. Step 2: Convert to fraction form
    43,186.42/64,779.64 = 16,872.72/x
  3. Step 3: Cross multiply
    43,186.42x = 64,779.64 × 16,872.72
  4. Step 4: Simplify right side
    43,186.42x = 1,093,008,442.32
  5. Step 5: Solve for x
    x = 1,093,008,442.32/43,186.42
  6. Step 6: Final answer
    x = 25,309.08

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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.