Home / 20,696.38-31,041.09-5,901.93

Finding the Fourth Proportional to 20,696.38, 31,041.09 and 5,901.93

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Solution

The fourth proportional to 20,696.38, 31,041.09 and 5,901.93 is: 8,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696.38 : 31,041.09 = 5,901.93 : x
  2. Step 2: Convert to fraction form
    20,696.38/31,041.09 = 5,901.93/x
  3. Step 3: Cross multiply
    20,696.38x = 31,041.09 × 5,901.93
  4. Step 4: Simplify right side
    20,696.38x = 183,202,340.30
  5. Step 5: Solve for x
    x = 183,202,340.30/20,696.38
  6. Step 6: Final answer
    x = 8,851.90

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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.