Home / 20,836.80-31,256.82-6,045.93

Finding the Fourth Proportional to 20,836.80, 31,256.82 and 6,045.93

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Solution

The fourth proportional to 20,836.80, 31,256.82 and 6,045.93 is: 9,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.80 : 31,256.82 = 6,045.93 : x
  2. Step 2: Convert to fraction form
    20,836.80/31,256.82 = 6,045.93/x
  3. Step 3: Cross multiply
    20,836.80x = 31,256.82 × 6,045.93
  4. Step 4: Simplify right side
    20,836.80x = 188,976,545.74
  5. Step 5: Solve for x
    x = 188,976,545.74/20,836.80
  6. Step 6: Final answer
    x = 9,069.37

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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.