Home / 31,186.50-43,038.33-17,040.27

Finding the Fourth Proportional to 31,186.50, 43,038.33 and 17,040.27

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Solution

The fourth proportional to 31,186.50, 43,038.33 and 17,040.27 is: 23,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.50 : 43,038.33 = 17,040.27 : x
  2. Step 2: Convert to fraction form
    31,186.50/43,038.33 = 17,040.27/x
  3. Step 3: Cross multiply
    31,186.50x = 43,038.33 × 17,040.27
  4. Step 4: Simplify right side
    31,186.50x = 733,384,763.55
  5. Step 5: Solve for x
    x = 733,384,763.55/31,186.50
  6. Step 6: Final answer
    x = 23,516.10

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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.