Home / 43,052.85-64,588.65-18,078.66

Finding the Fourth Proportional to 43,052.85, 64,588.65 and 18,078.66

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Solution

The fourth proportional to 43,052.85, 64,588.65 and 18,078.66 is: 27,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,052.85 : 64,588.65 = 18,078.66 : x
  2. Step 2: Convert to fraction form
    43,052.85/64,588.65 = 18,078.66/x
  3. Step 3: Cross multiply
    43,052.85x = 64,588.65 × 18,078.66
  4. Step 4: Simplify right side
    43,052.85x = 1,167,676,243.21
  5. Step 5: Solve for x
    x = 1,167,676,243.21/43,052.85
  6. Step 6: Final answer
    x = 27,121.93

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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.