Home / 37,135.80-51,247.62-21,220.83

Finding the Fourth Proportional to 37,135.80, 51,247.62 and 21,220.83

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Solution

The fourth proportional to 37,135.80, 51,247.62 and 21,220.83 is: 29,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.80 : 51,247.62 = 21,220.83 : x
  2. Step 2: Convert to fraction form
    37,135.80/51,247.62 = 21,220.83/x
  3. Step 3: Cross multiply
    37,135.80x = 51,247.62 × 21,220.83
  4. Step 4: Simplify right side
    37,135.80x = 1,087,517,031.92
  5. Step 5: Solve for x
    x = 1,087,517,031.92/37,135.80
  6. Step 6: Final answer
    x = 29,284.87

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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.