Home / 69,771.54-96,281.80-39,558.89

Finding the Fourth Proportional to 69,771.54, 96,281.80 and 39,558.89

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Solution

The fourth proportional to 69,771.54, 96,281.80 and 39,558.89 is: 54,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,771.54 : 96,281.80 = 39,558.89 : x
  2. Step 2: Convert to fraction form
    69,771.54/96,281.80 = 39,558.89/x
  3. Step 3: Cross multiply
    69,771.54x = 96,281.80 × 39,558.89
  4. Step 4: Simplify right side
    69,771.54x = 3,808,801,135.20
  5. Step 5: Solve for x
    x = 3,808,801,135.20/69,771.54
  6. Step 6: Final answer
    x = 54,589.61

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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.