Home / 39,641.20-54,704.69-21,737.34

Finding the Fourth Proportional to 39,641.20, 54,704.69 and 21,737.34

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Solution

The fourth proportional to 39,641.20, 54,704.69 and 21,737.34 is: 29,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.20 : 54,704.69 = 21,737.34 : x
  2. Step 2: Convert to fraction form
    39,641.20/54,704.69 = 21,737.34/x
  3. Step 3: Cross multiply
    39,641.20x = 54,704.69 × 21,737.34
  4. Step 4: Simplify right side
    39,641.20x = 1,189,134,326.23
  5. Step 5: Solve for x
    x = 1,189,134,326.23/39,641.20
  6. Step 6: Final answer
    x = 29,997.44

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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.