Home / 20,039.36-30,053.28-6,189.44

Finding the Fourth Proportional to 20,039.36, 30,053.28 and 6,189.44

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Solution

The fourth proportional to 20,039.36, 30,053.28 and 6,189.44 is: 9,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.36 : 30,053.28 = 6,189.44 : x
  2. Step 2: Convert to fraction form
    20,039.36/30,053.28 = 6,189.44/x
  3. Step 3: Cross multiply
    20,039.36x = 30,053.28 × 6,189.44
  4. Step 4: Simplify right side
    20,039.36x = 186,012,973.36
  5. Step 5: Solve for x
    x = 186,012,973.36/20,039.36
  6. Step 6: Final answer
    x = 9,282.38

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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.