Home / 20,039.69-30,055.56-5,809.84

Finding the Fourth Proportional to 20,039.69, 30,055.56 and 5,809.84

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Solution

The fourth proportional to 20,039.69, 30,055.56 and 5,809.84 is: 8,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.69 : 30,055.56 = 5,809.84 : x
  2. Step 2: Convert to fraction form
    20,039.69/30,055.56 = 5,809.84/x
  3. Step 3: Cross multiply
    20,039.69x = 30,055.56 × 5,809.84
  4. Step 4: Simplify right side
    20,039.69x = 174,617,940.05
  5. Step 5: Solve for x
    x = 174,617,940.05/20,039.69
  6. Step 6: Final answer
    x = 8,713.60

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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.