Home / 43,250.64-64,882.60-18,290.72

Finding the Fourth Proportional to 43,250.64, 64,882.60 and 18,290.72

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Solution

The fourth proportional to 43,250.64, 64,882.60 and 18,290.72 is: 27,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,250.64 : 64,882.60 = 18,290.72 : x
  2. Step 2: Convert to fraction form
    43,250.64/64,882.60 = 18,290.72/x
  3. Step 3: Cross multiply
    43,250.64x = 64,882.60 × 18,290.72
  4. Step 4: Simplify right side
    43,250.64x = 1,186,749,469.47
  5. Step 5: Solve for x
    x = 1,186,749,469.47/43,250.64
  6. Step 6: Final answer
    x = 27,438.89

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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.