Home / 43,291.67-64,939.32-13,708.85

Finding the Fourth Proportional to 43,291.67, 64,939.32 and 13,708.85

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Solution

The fourth proportional to 43,291.67, 64,939.32 and 13,708.85 is: 20,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.67 : 64,939.32 = 13,708.85 : x
  2. Step 2: Convert to fraction form
    43,291.67/64,939.32 = 13,708.85/x
  3. Step 3: Cross multiply
    43,291.67x = 64,939.32 × 13,708.85
  4. Step 4: Simplify right side
    43,291.67x = 890,243,072.29
  5. Step 5: Solve for x
    x = 890,243,072.29/43,291.67
  6. Step 6: Final answer
    x = 20,563.84

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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.