Home / 37,286.89-51,458.12-21,372.36

Finding the Fourth Proportional to 37,286.89, 51,458.12 and 21,372.36

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Solution

The fourth proportional to 37,286.89, 51,458.12 and 21,372.36 is: 29,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.89 : 51,458.12 = 21,372.36 : x
  2. Step 2: Convert to fraction form
    37,286.89/51,458.12 = 21,372.36/x
  3. Step 3: Cross multiply
    37,286.89x = 51,458.12 × 21,372.36
  4. Step 4: Simplify right side
    37,286.89x = 1,099,781,465.56
  5. Step 5: Solve for x
    x = 1,099,781,465.56/37,286.89
  6. Step 6: Final answer
    x = 29,495.12

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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.