Home / 31,516.57-43,490.17-18,087.54

Finding the Fourth Proportional to 31,516.57, 43,490.17 and 18,087.54

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Solution

The fourth proportional to 31,516.57, 43,490.17 and 18,087.54 is: 24,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.57 : 43,490.17 = 18,087.54 : x
  2. Step 2: Convert to fraction form
    31,516.57/43,490.17 = 18,087.54/x
  3. Step 3: Cross multiply
    31,516.57x = 43,490.17 × 18,087.54
  4. Step 4: Simplify right side
    31,516.57x = 786,630,189.48
  5. Step 5: Solve for x
    x = 786,630,189.48/31,516.57
  6. Step 6: Final answer
    x = 24,959.26

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1.5x scale

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.