Home / 49,583.52-74,408.40-18,421.92

Finding the Fourth Proportional to 49,583.52, 74,408.40 and 18,421.92

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Solution

The fourth proportional to 49,583.52, 74,408.40 and 18,421.92 is: 27,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,583.52 : 74,408.40 = 18,421.92 : x
  2. Step 2: Convert to fraction form
    49,583.52/74,408.40 = 18,421.92/x
  3. Step 3: Cross multiply
    49,583.52x = 74,408.40 × 18,421.92
  4. Step 4: Simplify right side
    49,583.52x = 1,370,745,592.13
  5. Step 5: Solve for x
    x = 1,370,745,592.13/49,583.52
  6. Step 6: Final answer
    x = 27,645.19

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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.