Home / 56,405.96-84,609.14-14,286.04

Finding the Fourth Proportional to 56,405.96, 84,609.14 and 14,286.04

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Solution

The fourth proportional to 56,405.96, 84,609.14 and 14,286.04 is: 21,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.96 : 84,609.14 = 14,286.04 : x
  2. Step 2: Convert to fraction form
    56,405.96/84,609.14 = 14,286.04/x
  3. Step 3: Cross multiply
    56,405.96x = 84,609.14 × 14,286.04
  4. Step 4: Simplify right side
    56,405.96x = 1,208,729,558.41
  5. Step 5: Solve for x
    x = 1,208,729,558.41/56,405.96
  6. Step 6: Final answer
    x = 21,429.11

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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.