Home / 35,892.34-53,779.26-20,857.25

Finding the Fourth Proportional to 35,892.34, 53,779.26 and 20,857.25

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Solution

The fourth proportional to 35,892.34, 53,779.26 and 20,857.25 is: 31,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,892.34 : 53,779.26 = 20,857.25 : x
  2. Step 2: Convert to fraction form
    35,892.34/53,779.26 = 20,857.25/x
  3. Step 3: Cross multiply
    35,892.34x = 53,779.26 × 20,857.25
  4. Step 4: Simplify right side
    35,892.34x = 1,121,687,470.64
  5. Step 5: Solve for x
    x = 1,121,687,470.64/35,892.34
  6. Step 6: Final answer
    x = 31,251.44

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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.