Home / 34,745.20-52,139.64-19,982.92

Finding the Fourth Proportional to 34,745.20, 52,139.64 and 19,982.92

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Solution

The fourth proportional to 34,745.20, 52,139.64 and 19,982.92 is: 29,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,745.20 : 52,139.64 = 19,982.92 : x
  2. Step 2: Convert to fraction form
    34,745.20/52,139.64 = 19,982.92/x
  3. Step 3: Cross multiply
    34,745.20x = 52,139.64 × 19,982.92
  4. Step 4: Simplify right side
    34,745.20x = 1,041,902,254.95
  5. Step 5: Solve for x
    x = 1,041,902,254.95/34,745.20
  6. Step 6: Final answer
    x = 29,986.94

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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.