Home / 20,039.77-30,049.68-6,708.13

Finding the Fourth Proportional to 20,039.77, 30,049.68 and 6,708.13

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Solution

The fourth proportional to 20,039.77, 30,049.68 and 6,708.13 is: 10,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.77 : 30,049.68 = 6,708.13 : x
  2. Step 2: Convert to fraction form
    20,039.77/30,049.68 = 6,708.13/x
  3. Step 3: Cross multiply
    20,039.77x = 30,049.68 × 6,708.13
  4. Step 4: Simplify right side
    20,039.77x = 201,576,976.11
  5. Step 5: Solve for x
    x = 201,576,976.11/20,039.77
  6. Step 6: Final answer
    x = 10,058.85

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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.