Home / 37,138.30-51,251.07-21,223.33

Finding the Fourth Proportional to 37,138.30, 51,251.07 and 21,223.33

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Solution

The fourth proportional to 37,138.30, 51,251.07 and 21,223.33 is: 29,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.30 : 51,251.07 = 21,223.33 : x
  2. Step 2: Convert to fraction form
    37,138.30/51,251.07 = 21,223.33/x
  3. Step 3: Cross multiply
    37,138.30x = 51,251.07 × 21,223.33
  4. Step 4: Simplify right side
    37,138.30x = 1,087,718,371.46
  5. Step 5: Solve for x
    x = 1,087,718,371.46/37,138.30
  6. Step 6: Final answer
    x = 29,288.32

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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.