Home / 53,028.41-79,521.76-19,286.41

Finding the Fourth Proportional to 53,028.41, 79,521.76 and 19,286.41

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Solution

The fourth proportional to 53,028.41, 79,521.76 and 19,286.41 is: 28,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,028.41 : 79,521.76 = 19,286.41 : x
  2. Step 2: Convert to fraction form
    53,028.41/79,521.76 = 19,286.41/x
  3. Step 3: Cross multiply
    53,028.41x = 79,521.76 × 19,286.41
  4. Step 4: Simplify right side
    53,028.41x = 1,533,689,390.79
  5. Step 5: Solve for x
    x = 1,533,689,390.79/53,028.41
  6. Step 6: Final answer
    x = 28,922.04

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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.