Home / 33,989.10-50,982.30-11,807.52

Finding the Fourth Proportional to 33,989.10, 50,982.30 and 11,807.52

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Solution

The fourth proportional to 33,989.10, 50,982.30 and 11,807.52 is: 17,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.10 : 50,982.30 = 11,807.52 : x
  2. Step 2: Convert to fraction form
    33,989.10/50,982.30 = 11,807.52/x
  3. Step 3: Cross multiply
    33,989.10x = 50,982.30 × 11,807.52
  4. Step 4: Simplify right side
    33,989.10x = 601,974,526.90
  5. Step 5: Solve for x
    x = 601,974,526.90/33,989.10
  6. Step 6: Final answer
    x = 17,710.81

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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.