Home / 39,780.54-54,874.68-23,861.58

Finding the Fourth Proportional to 39,780.54, 54,874.68 and 23,861.58

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Solution

The fourth proportional to 39,780.54, 54,874.68 and 23,861.58 is: 32,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,780.54 : 54,874.68 = 23,861.58 : x
  2. Step 2: Convert to fraction form
    39,780.54/54,874.68 = 23,861.58/x
  3. Step 3: Cross multiply
    39,780.54x = 54,874.68 × 23,861.58
  4. Step 4: Simplify right side
    39,780.54x = 1,309,396,566.79
  5. Step 5: Solve for x
    x = 1,309,396,566.79/39,780.54
  6. Step 6: Final answer
    x = 32,915.51

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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.