Home / 43,286.18-64,924.41-12,123.86

Finding the Fourth Proportional to 43,286.18, 64,924.41 and 12,123.86

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Solution

The fourth proportional to 43,286.18, 64,924.41 and 12,123.86 is: 18,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.18 : 64,924.41 = 12,123.86 : x
  2. Step 2: Convert to fraction form
    43,286.18/64,924.41 = 12,123.86/x
  3. Step 3: Cross multiply
    43,286.18x = 64,924.41 × 12,123.86
  4. Step 4: Simplify right side
    43,286.18x = 787,134,457.42
  5. Step 5: Solve for x
    x = 787,134,457.42/43,286.18
  6. Step 6: Final answer
    x = 18,184.43

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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.