Home / 35,793.30-53,699.67-12,421.56

Finding the Fourth Proportional to 35,793.30, 53,699.67 and 12,421.56

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Solution

The fourth proportional to 35,793.30, 53,699.67 and 12,421.56 is: 18,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.30 : 53,699.67 = 12,421.56 : x
  2. Step 2: Convert to fraction form
    35,793.30/53,699.67 = 12,421.56/x
  3. Step 3: Cross multiply
    35,793.30x = 53,699.67 × 12,421.56
  4. Step 4: Simplify right side
    35,793.30x = 667,033,672.89
  5. Step 5: Solve for x
    x = 667,033,672.89/35,793.30
  6. Step 6: Final answer
    x = 18,635.71

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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.