Home / 52,109.72-71,911.66-28,236.44

Finding the Fourth Proportional to 52,109.72, 71,911.66 and 28,236.44

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Solution

The fourth proportional to 52,109.72, 71,911.66 and 28,236.44 is: 38,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,109.72 : 71,911.66 = 28,236.44 : x
  2. Step 2: Convert to fraction form
    52,109.72/71,911.66 = 28,236.44/x
  3. Step 3: Cross multiply
    52,109.72x = 71,911.66 × 28,236.44
  4. Step 4: Simplify right side
    52,109.72x = 2,030,528,913.33
  5. Step 5: Solve for x
    x = 2,030,528,913.33/52,109.72
  6. Step 6: Final answer
    x = 38,966.42

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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.