Home / 20,701.67-31,043.14-5,907.06

Finding the Fourth Proportional to 20,701.67, 31,043.14 and 5,907.06

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Solution

The fourth proportional to 20,701.67, 31,043.14 and 5,907.06 is: 8,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.67 : 31,043.14 = 5,907.06 : x
  2. Step 2: Convert to fraction form
    20,701.67/31,043.14 = 5,907.06/x
  3. Step 3: Cross multiply
    20,701.67x = 31,043.14 × 5,907.06
  4. Step 4: Simplify right side
    20,701.67x = 183,373,675.80
  5. Step 5: Solve for x
    x = 183,373,675.80/20,701.67
  6. Step 6: Final answer
    x = 8,857.92

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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.