Home / 57,330.30-79,115.27-31,836.03

Finding the Fourth Proportional to 57,330.30, 79,115.27 and 31,836.03

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Solution

The fourth proportional to 57,330.30, 79,115.27 and 31,836.03 is: 43,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.30 : 79,115.27 = 31,836.03 : x
  2. Step 2: Convert to fraction form
    57,330.30/79,115.27 = 31,836.03/x
  3. Step 3: Cross multiply
    57,330.30x = 79,115.27 × 31,836.03
  4. Step 4: Simplify right side
    57,330.30x = 2,518,716,109.18
  5. Step 5: Solve for x
    x = 2,518,716,109.18/57,330.30
  6. Step 6: Final answer
    x = 43,933.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.