Home / 36,983.80-55,518.90-21,201.40

Finding the Fourth Proportional to 36,983.80, 55,518.90 and 21,201.40

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Solution

The fourth proportional to 36,983.80, 55,518.90 and 21,201.40 is: 31,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,983.80 : 55,518.90 = 21,201.40 : x
  2. Step 2: Convert to fraction form
    36,983.80/55,518.90 = 21,201.40/x
  3. Step 3: Cross multiply
    36,983.80x = 55,518.90 × 21,201.40
  4. Step 4: Simplify right side
    36,983.80x = 1,177,078,406.46
  5. Step 5: Solve for x
    x = 1,177,078,406.46/36,983.80
  6. Step 6: Final answer
    x = 31,826.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.