Home / 34,049.80-51,113.10-20,206.60

Finding the Fourth Proportional to 34,049.80, 51,113.10 and 20,206.60

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Solution

The fourth proportional to 34,049.80, 51,113.10 and 20,206.60 is: 30,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,049.80 : 51,113.10 = 20,206.60 : x
  2. Step 2: Convert to fraction form
    34,049.80/51,113.10 = 20,206.60/x
  3. Step 3: Cross multiply
    34,049.80x = 51,113.10 × 20,206.60
  4. Step 4: Simplify right side
    34,049.80x = 1,032,821,966.46
  5. Step 5: Solve for x
    x = 1,032,821,966.46/34,049.80
  6. Step 6: Final answer
    x = 30,332.69

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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.