Home / 37,267.92-51,429.45-21,138.30

Finding the Fourth Proportional to 37,267.92, 51,429.45 and 21,138.30

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Solution

The fourth proportional to 37,267.92, 51,429.45 and 21,138.30 is: 29,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,267.92 : 51,429.45 = 21,138.30 : x
  2. Step 2: Convert to fraction form
    37,267.92/51,429.45 = 21,138.30/x
  3. Step 3: Cross multiply
    37,267.92x = 51,429.45 × 21,138.30
  4. Step 4: Simplify right side
    37,267.92x = 1,087,131,142.94
  5. Step 5: Solve for x
    x = 1,087,131,142.94/37,267.92
  6. Step 6: Final answer
    x = 29,170.70

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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.