Home / 20,693.45-31,045.01-5,902.58

Finding the Fourth Proportional to 20,693.45, 31,045.01 and 5,902.58

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Solution

The fourth proportional to 20,693.45, 31,045.01 and 5,902.58 is: 8,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.45 : 31,045.01 = 5,902.58 : x
  2. Step 2: Convert to fraction form
    20,693.45/31,045.01 = 5,902.58/x
  3. Step 3: Cross multiply
    20,693.45x = 31,045.01 × 5,902.58
  4. Step 4: Simplify right side
    20,693.45x = 183,245,470.39
  5. Step 5: Solve for x
    x = 183,245,470.39/20,693.45
  6. Step 6: Final answer
    x = 8,855.24

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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.