Home / 53,089.11-79,645.92-18,028.74

Finding the Fourth Proportional to 53,089.11, 79,645.92 and 18,028.74

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Solution

The fourth proportional to 53,089.11, 79,645.92 and 18,028.74 is: 27,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.11 : 79,645.92 = 18,028.74 : x
  2. Step 2: Convert to fraction form
    53,089.11/79,645.92 = 18,028.74/x
  3. Step 3: Cross multiply
    53,089.11x = 79,645.92 × 18,028.74
  4. Step 4: Simplify right side
    53,089.11x = 1,435,915,583.74
  5. Step 5: Solve for x
    x = 1,435,915,583.74/53,089.11
  6. Step 6: Final answer
    x = 27,047.27

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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.