Home / 39,372.35-54,333.86-21,466.98

Finding the Fourth Proportional to 39,372.35, 54,333.86 and 21,466.98

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Solution

The fourth proportional to 39,372.35, 54,333.86 and 21,466.98 is: 29,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.35 : 54,333.86 = 21,466.98 : x
  2. Step 2: Convert to fraction form
    39,372.35/54,333.86 = 21,466.98/x
  3. Step 3: Cross multiply
    39,372.35x = 54,333.86 × 21,466.98
  4. Step 4: Simplify right side
    39,372.35x = 1,166,383,778.61
  5. Step 5: Solve for x
    x = 1,166,383,778.61/39,372.35
  6. Step 6: Final answer
    x = 29,624.44

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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.