Home / 53,311.20-79,945.20-18,232.80

Finding the Fourth Proportional to 53,311.20, 79,945.20 and 18,232.80

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Solution

The fourth proportional to 53,311.20, 79,945.20 and 18,232.80 is: 27,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.20 : 79,945.20 = 18,232.80 : x
  2. Step 2: Convert to fraction form
    53,311.20/79,945.20 = 18,232.80/x
  3. Step 3: Cross multiply
    53,311.20x = 79,945.20 × 18,232.80
  4. Step 4: Simplify right side
    53,311.20x = 1,457,624,842.56
  5. Step 5: Solve for x
    x = 1,457,624,842.56/53,311.20
  6. Step 6: Final answer
    x = 27,341.81

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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.