Home / 31,299.72-43,182.60-17,861.28

Finding the Fourth Proportional to 31,299.72, 43,182.60 and 17,861.28

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Solution

The fourth proportional to 31,299.72, 43,182.60 and 17,861.28 is: 24,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.72 : 43,182.60 = 17,861.28 : x
  2. Step 2: Convert to fraction form
    31,299.72/43,182.60 = 17,861.28/x
  3. Step 3: Cross multiply
    31,299.72x = 43,182.60 × 17,861.28
  4. Step 4: Simplify right side
    31,299.72x = 771,296,509.73
  5. Step 5: Solve for x
    x = 771,296,509.73/31,299.72
  6. Step 6: Final answer
    x = 24,642.28

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