Home / 35,980.53-53,986.38-19,321.11

Finding the Fourth Proportional to 35,980.53, 53,986.38 and 19,321.11

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Solution

The fourth proportional to 35,980.53, 53,986.38 and 19,321.11 is: 28,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.53 : 53,986.38 = 19,321.11 : x
  2. Step 2: Convert to fraction form
    35,980.53/53,986.38 = 19,321.11/x
  3. Step 3: Cross multiply
    35,980.53x = 53,986.38 × 19,321.11
  4. Step 4: Simplify right side
    35,980.53x = 1,043,076,786.48
  5. Step 5: Solve for x
    x = 1,043,076,786.48/35,980.53
  6. Step 6: Final answer
    x = 28,990.03

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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.