Home / 37,905.96-52,309.56-20,911.77

Finding the Fourth Proportional to 37,905.96, 52,309.56 and 20,911.77

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Solution

The fourth proportional to 37,905.96, 52,309.56 and 20,911.77 is: 28,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,905.96 : 52,309.56 = 20,911.77 : x
  2. Step 2: Convert to fraction form
    37,905.96/52,309.56 = 20,911.77/x
  3. Step 3: Cross multiply
    37,905.96x = 52,309.56 × 20,911.77
  4. Step 4: Simplify right side
    37,905.96x = 1,093,885,487.52
  5. Step 5: Solve for x
    x = 1,093,885,487.52/37,905.96
  6. Step 6: Final answer
    x = 28,857.88

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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.