Home / 57,379.75-79,182.30-31,885.99

Finding the Fourth Proportional to 57,379.75, 79,182.30 and 31,885.99

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Solution

The fourth proportional to 57,379.75, 79,182.30 and 31,885.99 is: 44,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.75 : 79,182.30 = 31,885.99 : x
  2. Step 2: Convert to fraction form
    57,379.75/79,182.30 = 31,885.99/x
  3. Step 3: Cross multiply
    57,379.75x = 79,182.30 × 31,885.99
  4. Step 4: Simplify right side
    57,379.75x = 2,524,806,025.98
  5. Step 5: Solve for x
    x = 2,524,806,025.98/57,379.75
  6. Step 6: Final answer
    x = 44,001.69

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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.