Home / 53,342.44-79,994.46-18,272.68

Finding the Fourth Proportional to 53,342.44, 79,994.46 and 18,272.68

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Solution

The fourth proportional to 53,342.44, 79,994.46 and 18,272.68 is: 27,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.44 : 79,994.46 = 18,272.68 : x
  2. Step 2: Convert to fraction form
    53,342.44/79,994.46 = 18,272.68/x
  3. Step 3: Cross multiply
    53,342.44x = 79,994.46 × 18,272.68
  4. Step 4: Simplify right side
    53,342.44x = 1,461,713,169.35
  5. Step 5: Solve for x
    x = 1,461,713,169.35/53,342.44
  6. Step 6: Final answer
    x = 27,402.44

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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.