Home / 35,990.85-53,986.28-19,327.96

Finding the Fourth Proportional to 35,990.85, 53,986.28 and 19,327.96

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Solution

The fourth proportional to 35,990.85, 53,986.28 and 19,327.96 is: 28,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.85 : 53,986.28 = 19,327.96 : x
  2. Step 2: Convert to fraction form
    35,990.85/53,986.28 = 19,327.96/x
  3. Step 3: Cross multiply
    35,990.85x = 53,986.28 × 19,327.96
  4. Step 4: Simplify right side
    35,990.85x = 1,043,444,660.39
  5. Step 5: Solve for x
    x = 1,043,444,660.39/35,990.85
  6. Step 6: Final answer
    x = 28,991.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.