Home / 43,270.60-64,905.90-18,302.35

Finding the Fourth Proportional to 43,270.60, 64,905.90 and 18,302.35

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Solution

The fourth proportional to 43,270.60, 64,905.90 and 18,302.35 is: 27,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,270.60 : 64,905.90 = 18,302.35 : x
  2. Step 2: Convert to fraction form
    43,270.60/64,905.90 = 18,302.35/x
  3. Step 3: Cross multiply
    43,270.60x = 64,905.90 × 18,302.35
  4. Step 4: Simplify right side
    43,270.60x = 1,187,930,498.87
  5. Step 5: Solve for x
    x = 1,187,930,498.87/43,270.60
  6. Step 6: Final answer
    x = 27,453.53

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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.