Home / 43,257.68-64,886.64-12,093.20

Finding the Fourth Proportional to 43,257.68, 64,886.64 and 12,093.20

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Solution

The fourth proportional to 43,257.68, 64,886.64 and 12,093.20 is: 18,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.68 : 64,886.64 = 12,093.20 : x
  2. Step 2: Convert to fraction form
    43,257.68/64,886.64 = 12,093.20/x
  3. Step 3: Cross multiply
    43,257.68x = 64,886.64 × 12,093.20
  4. Step 4: Simplify right side
    43,257.68x = 784,687,114.85
  5. Step 5: Solve for x
    x = 784,687,114.85/43,257.68
  6. Step 6: Final answer
    x = 18,139.83

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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.