Home / 53,409.10-80,115.54-18,348.52

Finding the Fourth Proportional to 53,409.10, 80,115.54 and 18,348.52

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Solution

The fourth proportional to 53,409.10, 80,115.54 and 18,348.52 is: 27,523.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.10 : 80,115.54 = 18,348.52 : x
  2. Step 2: Convert to fraction form
    53,409.10/80,115.54 = 18,348.52/x
  3. Step 3: Cross multiply
    53,409.10x = 80,115.54 × 18,348.52
  4. Step 4: Simplify right side
    53,409.10x = 1,470,001,588.00
  5. Step 5: Solve for x
    x = 1,470,001,588.00/53,409.10
  6. Step 6: Final answer
    x = 27,523.43

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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.