Home / 57,305.80-85,958.32-31,176.62

Finding the Fourth Proportional to 57,305.80, 85,958.32 and 31,176.62

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Solution

The fourth proportional to 57,305.80, 85,958.32 and 31,176.62 is: 46,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.80 : 85,958.32 = 31,176.62 : x
  2. Step 2: Convert to fraction form
    57,305.80/85,958.32 = 31,176.62/x
  3. Step 3: Cross multiply
    57,305.80x = 85,958.32 × 31,176.62
  4. Step 4: Simplify right side
    57,305.80x = 2,679,890,080.99
  5. Step 5: Solve for x
    x = 2,679,890,080.99/57,305.80
  6. Step 6: Final answer
    x = 46,764.72

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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.