Home / 57,670.12-79,584.52-31,174.12

Finding the Fourth Proportional to 57,670.12, 79,584.52 and 31,174.12

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Solution

The fourth proportional to 57,670.12, 79,584.52 and 31,174.12 is: 43,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,670.12 : 79,584.52 = 31,174.12 : x
  2. Step 2: Convert to fraction form
    57,670.12/79,584.52 = 31,174.12/x
  3. Step 3: Cross multiply
    57,670.12x = 79,584.52 × 31,174.12
  4. Step 4: Simplify right side
    57,670.12x = 2,480,977,376.62
  5. Step 5: Solve for x
    x = 2,480,977,376.62/57,670.12
  6. Step 6: Final answer
    x = 43,020.15

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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.