Home / 38,057.35-52,518.31-20,829.63

Finding the Fourth Proportional to 38,057.35, 52,518.31 and 20,829.63

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Solution

The fourth proportional to 38,057.35, 52,518.31 and 20,829.63 is: 28,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057.35 : 52,518.31 = 20,829.63 : x
  2. Step 2: Convert to fraction form
    38,057.35/52,518.31 = 20,829.63/x
  3. Step 3: Cross multiply
    38,057.35x = 52,518.31 × 20,829.63
  4. Step 4: Simplify right side
    38,057.35x = 1,093,936,913.45
  5. Step 5: Solve for x
    x = 1,093,936,913.45/38,057.35
  6. Step 6: Final answer
    x = 28,744.43

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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.