Home / 53,339.35-80,010.24-18,278.50

Finding the Fourth Proportional to 53,339.35, 80,010.24 and 18,278.50

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Solution

The fourth proportional to 53,339.35, 80,010.24 and 18,278.50 is: 27,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339.35 : 80,010.24 = 18,278.50 : x
  2. Step 2: Convert to fraction form
    53,339.35/80,010.24 = 18,278.50/x
  3. Step 3: Cross multiply
    53,339.35x = 80,010.24 × 18,278.50
  4. Step 4: Simplify right side
    53,339.35x = 1,462,467,171.84
  5. Step 5: Solve for x
    x = 1,462,467,171.84/53,339.35
  6. Step 6: Final answer
    x = 27,418.17

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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.