Home / 37,286.32-51,456.34-21,373.78

Finding the Fourth Proportional to 37,286.32, 51,456.34 and 21,373.78

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Solution

The fourth proportional to 37,286.32, 51,456.34 and 21,373.78 is: 29,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.32 : 51,456.34 = 21,373.78 : x
  2. Step 2: Convert to fraction form
    37,286.32/51,456.34 = 21,373.78/x
  3. Step 3: Cross multiply
    37,286.32x = 51,456.34 × 21,373.78
  4. Step 4: Simplify right side
    37,286.32x = 1,099,816,490.77
  5. Step 5: Solve for x
    x = 1,099,816,490.77/37,286.32
  6. Step 6: Final answer
    x = 29,496.51

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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.