Home / 52,091.30-71,885.99-28,217.97

Finding the Fourth Proportional to 52,091.30, 71,885.99 and 28,217.97

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Solution

The fourth proportional to 52,091.30, 71,885.99 and 28,217.97 is: 38,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.30 : 71,885.99 = 28,217.97 : x
  2. Step 2: Convert to fraction form
    52,091.30/71,885.99 = 28,217.97/x
  3. Step 3: Cross multiply
    52,091.30x = 71,885.99 × 28,217.97
  4. Step 4: Simplify right side
    52,091.30x = 2,028,476,779.79
  5. Step 5: Solve for x
    x = 2,028,476,779.79/52,091.30
  6. Step 6: Final answer
    x = 38,940.80

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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.