Home / 29,516.16-40,743.20-18,187.52

Finding the Fourth Proportional to 29,516.16, 40,743.20 and 18,187.52

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Solution

The fourth proportional to 29,516.16, 40,743.20 and 18,187.52 is: 25,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,516.16 : 40,743.20 = 18,187.52 : x
  2. Step 2: Convert to fraction form
    29,516.16/40,743.20 = 18,187.52/x
  3. Step 3: Cross multiply
    29,516.16x = 40,743.20 × 18,187.52
  4. Step 4: Simplify right side
    29,516.16x = 741,017,764.86
  5. Step 5: Solve for x
    x = 741,017,764.86/29,516.16
  6. Step 6: Final answer
    x = 25,105.49

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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.