Home / 37,072.34-51,162-21,161.92

Finding the Fourth Proportional to 37,072.34, 51,162 and 21,161.92

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Solution

The fourth proportional to 37,072.34, 51,162 and 21,161.92 is: 29,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.34 : 51,162 = 21,161.92 : x
  2. Step 2: Convert to fraction form
    37,072.34/51,162 = 21,161.92/x
  3. Step 3: Cross multiply
    37,072.34x = 51,162 × 21,161.92
  4. Step 4: Simplify right side
    37,072.34x = 1,082,685,895.23
  5. Step 5: Solve for x
    x = 1,082,685,895.23/37,072.34
  6. Step 6: Final answer
    x = 29,204.68

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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.