Home / 36,620.63-54,917.02-12,923.77

Finding the Fourth Proportional to 36,620.63, 54,917.02 and 12,923.77

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Solution

The fourth proportional to 36,620.63, 54,917.02 and 12,923.77 is: 19,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.63 : 54,917.02 = 12,923.77 : x
  2. Step 2: Convert to fraction form
    36,620.63/54,917.02 = 12,923.77/x
  3. Step 3: Cross multiply
    36,620.63x = 54,917.02 × 12,923.77
  4. Step 4: Simplify right side
    36,620.63x = 709,734,935.57
  5. Step 5: Solve for x
    x = 709,734,935.57/36,620.63
  6. Step 6: Final answer
    x = 19,380.74

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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.