Home / 51,735.69-71,394.30-28,766.91

Finding the Fourth Proportional to 51,735.69, 71,394.30 and 28,766.91

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Solution

The fourth proportional to 51,735.69, 71,394.30 and 28,766.91 is: 39,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,735.69 : 71,394.30 = 28,766.91 : x
  2. Step 2: Convert to fraction form
    51,735.69/71,394.30 = 28,766.91/x
  3. Step 3: Cross multiply
    51,735.69x = 71,394.30 × 28,766.91
  4. Step 4: Simplify right side
    51,735.69x = 2,053,793,402.61
  5. Step 5: Solve for x
    x = 2,053,793,402.61/51,735.69
  6. Step 6: Final answer
    x = 39,697.81

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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.