Home / 35,893.27-53,780.67-20,858.19

Finding the Fourth Proportional to 35,893.27, 53,780.67 and 20,858.19

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Solution

The fourth proportional to 35,893.27, 53,780.67 and 20,858.19 is: 31,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,893.27 : 53,780.67 = 20,858.19 : x
  2. Step 2: Convert to fraction form
    35,893.27/53,780.67 = 20,858.19/x
  3. Step 3: Cross multiply
    35,893.27x = 53,780.67 × 20,858.19
  4. Step 4: Simplify right side
    35,893.27x = 1,121,767,059.99
  5. Step 5: Solve for x
    x = 1,121,767,059.99/35,893.27
  6. Step 6: Final answer
    x = 31,252.85

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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.